25480000

素因数分解:

$2^6\times 5^4\times 7^2\times {\mathrm{13}}^1$

素因数の和:59

約数の個数: 210

約数和(自身を含む): 79151226

約数和(自身を除く): 53671226

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 49, 50, 52, 56, 64, 65, 70, 80, 91, 98, 100, 104, 112, 125, 130, 140, 160, 175, 182, 196, 200, 208, 224, 245, 250, 260, 280, 320, 325, 350, 364, 392, 400, 416, 448, 455, 490, 500, 520, 560, 625, 637, 650, 700, 728, 784, 800, 832, 875, 910, 980, 1000, 1040, 1120, 1225, 1250, 1274, 1300, 1400, 1456, 1568, 1600, 1625, 1750, 1820, 1960, 2000, 2080, 2240, 2275, 2450, 2500, 2548, 2600, 2800, 2912, 3136, 3185, 3250, 3500, 3640, 3920, 4000, 4160, 4375, 4550, 4900, 5000, 5096, 5200, 5600, 5824, 6125, 6370, 6500, 7000, 7280, 7840, 8000, 8125, 8750, 9100, 9800, 10000, 10192, 10400, 11200, 11375, 12250, 12740, 13000, 14000, 14560, 15680, 15925, 16250, 17500, 18200, 19600, 20000, 20384, 20800, 22750, 24500, 25480, 26000, 28000, 29120, 30625, 31850, 32500, 35000, 36400, 39200, 40000, 40768, 45500, 49000, 50960, 52000, 56000, 56875, 61250, 63700, 65000, 70000, 72800, 78400, 79625, 91000, 98000, 101920, 104000, 113750, 122500, 127400, 130000, 140000, 145600, 159250, 182000, 196000, 203840, 227500, 245000, 254800, 260000, 280000, 318500, 364000, 392000, 398125, 455000, 490000, 509600, 520000, 637000, 728000, 796250, 910000, 980000, 1019200, 1274000, 1592500, 1820000, 1960000, 2548000, 3185000, 3640000, 5096000, 6370000, 12740000, 25480000]

約数ペア:

[(1, 25480000), (2, 12740000), (4, 6370000), (5, 5096000), (7, 3640000), (8, 3185000), (10, 2548000), (13, 1960000), (14, 1820000), (16, 1592500), (20, 1274000), (25, 1019200), (26, 980000), (28, 910000), (32, 796250), (35, 728000), (40, 637000), (49, 520000), (50, 509600), (52, 490000), (56, 455000), (64, 398125), (65, 392000), (70, 364000), (80, 318500), (91, 280000), (98, 260000), (100, 254800), (104, 245000), (112, 227500), (125, 203840), (130, 196000), (140, 182000), (160, 159250), (175, 145600), (182, 140000), (196, 130000), (200, 127400), (208, 122500), (224, 113750), (245, 104000), (250, 101920), (260, 98000), (280, 91000), (320, 79625), (325, 78400), (350, 72800), (364, 70000), (392, 65000), (400, 63700), (416, 61250), (448, 56875), (455, 56000), (490, 52000), (500, 50960), (520, 49000), (560, 45500), (625, 40768), (637, 40000), (650, 39200), (700, 36400), (728, 35000), (784, 32500), (800, 31850), (832, 30625), (875, 29120), (910, 28000), (980, 26000), (1000, 25480), (1040, 24500), (1120, 22750), (1225, 20800), (1250, 20384), (1274, 20000), (1300, 19600), (1400, 18200), (1456, 17500), (1568, 16250), (1600, 15925), (1625, 15680), (1750, 14560), (1820, 14000), (1960, 13000), (2000, 12740), (2080, 12250), (2240, 11375), (2275, 11200), (2450, 10400), (2500, 10192), (2548, 10000), (2600, 9800), (2800, 9100), (2912, 8750), (3136, 8125), (3185, 8000), (3250, 7840), (3500, 7280), (3640, 7000), (3920, 6500), (4000, 6370), (4160, 6125), (4375, 5824), (4550, 5600), (4900, 5200), (5000, 5096)]