15925000

素因数分解:

$2^3\times 5^5\times 7^2\times {\mathrm{13}}^1$

素因数の和:58

約数の個数: 144

約数和(自身を含む): 46754820

約数和(自身を除く): 30829820

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 91, 98, 100, 104, 125, 130, 140, 175, 182, 196, 200, 245, 250, 260, 280, 325, 350, 364, 392, 455, 490, 500, 520, 625, 637, 650, 700, 728, 875, 910, 980, 1000, 1225, 1250, 1274, 1300, 1400, 1625, 1750, 1820, 1960, 2275, 2450, 2500, 2548, 2600, 3125, 3185, 3250, 3500, 3640, 4375, 4550, 4900, 5000, 5096, 6125, 6250, 6370, 6500, 7000, 8125, 8750, 9100, 9800, 11375, 12250, 12500, 12740, 13000, 15925, 16250, 17500, 18200, 21875, 22750, 24500, 25000, 25480, 30625, 31850, 32500, 35000, 40625, 43750, 45500, 49000, 56875, 61250, 63700, 65000, 79625, 81250, 87500, 91000, 113750, 122500, 127400, 153125, 159250, 162500, 175000, 227500, 245000, 284375, 306250, 318500, 325000, 398125, 455000, 568750, 612500, 637000, 796250, 1137500, 1225000, 1592500, 1990625, 2275000, 3185000, 3981250, 7962500, 15925000]

約数ペア:

[(1, 15925000), (2, 7962500), (4, 3981250), (5, 3185000), (7, 2275000), (8, 1990625), (10, 1592500), (13, 1225000), (14, 1137500), (20, 796250), (25, 637000), (26, 612500), (28, 568750), (35, 455000), (40, 398125), (49, 325000), (50, 318500), (52, 306250), (56, 284375), (65, 245000), (70, 227500), (91, 175000), (98, 162500), (100, 159250), (104, 153125), (125, 127400), (130, 122500), (140, 113750), (175, 91000), (182, 87500), (196, 81250), (200, 79625), (245, 65000), (250, 63700), (260, 61250), (280, 56875), (325, 49000), (350, 45500), (364, 43750), (392, 40625), (455, 35000), (490, 32500), (500, 31850), (520, 30625), (625, 25480), (637, 25000), (650, 24500), (700, 22750), (728, 21875), (875, 18200), (910, 17500), (980, 16250), (1000, 15925), (1225, 13000), (1250, 12740), (1274, 12500), (1300, 12250), (1400, 11375), (1625, 9800), (1750, 9100), (1820, 8750), (1960, 8125), (2275, 7000), (2450, 6500), (2500, 6370), (2548, 6250), (2600, 6125), (3125, 5096), (3185, 5000), (3250, 4900), (3500, 4550), (3640, 4375)]