31850000

素因数分解:

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

素因数の和:60

約数の個数: 180

約数和(自身を含む): 96626628

約数和(自身を除く): 64776628

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 80, 91, 98, 100, 104, 112, 125, 130, 140, 175, 182, 196, 200, 208, 245, 250, 260, 280, 325, 350, 364, 392, 400, 455, 490, 500, 520, 560, 625, 637, 650, 700, 728, 784, 875, 910, 980, 1000, 1040, 1225, 1250, 1274, 1300, 1400, 1456, 1625, 1750, 1820, 1960, 2000, 2275, 2450, 2500, 2548, 2600, 2800, 3125, 3185, 3250, 3500, 3640, 3920, 4375, 4550, 4900, 5000, 5096, 5200, 6125, 6250, 6370, 6500, 7000, 7280, 8125, 8750, 9100, 9800, 10000, 10192, 11375, 12250, 12500, 12740, 13000, 14000, 15925, 16250, 17500, 18200, 19600, 21875, 22750, 24500, 25000, 25480, 26000, 30625, 31850, 32500, 35000, 36400, 40625, 43750, 45500, 49000, 50000, 50960, 56875, 61250, 63700, 65000, 70000, 79625, 81250, 87500, 91000, 98000, 113750, 122500, 127400, 130000, 153125, 159250, 162500, 175000, 182000, 227500, 245000, 254800, 284375, 306250, 318500, 325000, 350000, 398125, 455000, 490000, 568750, 612500, 637000, 650000, 796250, 910000, 1137500, 1225000, 1274000, 1592500, 1990625, 2275000, 2450000, 3185000, 3981250, 4550000, 6370000, 7962500, 15925000, 31850000]

約数ペア:

[(1, 31850000), (2, 15925000), (4, 7962500), (5, 6370000), (7, 4550000), (8, 3981250), (10, 3185000), (13, 2450000), (14, 2275000), (16, 1990625), (20, 1592500), (25, 1274000), (26, 1225000), (28, 1137500), (35, 910000), (40, 796250), (49, 650000), (50, 637000), (52, 612500), (56, 568750), (65, 490000), (70, 455000), (80, 398125), (91, 350000), (98, 325000), (100, 318500), (104, 306250), (112, 284375), (125, 254800), (130, 245000), (140, 227500), (175, 182000), (182, 175000), (196, 162500), (200, 159250), (208, 153125), (245, 130000), (250, 127400), (260, 122500), (280, 113750), (325, 98000), (350, 91000), (364, 87500), (392, 81250), (400, 79625), (455, 70000), (490, 65000), (500, 63700), (520, 61250), (560, 56875), (625, 50960), (637, 50000), (650, 49000), (700, 45500), (728, 43750), (784, 40625), (875, 36400), (910, 35000), (980, 32500), (1000, 31850), (1040, 30625), (1225, 26000), (1250, 25480), (1274, 25000), (1300, 24500), (1400, 22750), (1456, 21875), (1625, 19600), (1750, 18200), (1820, 17500), (1960, 16250), (2000, 15925), (2275, 14000), (2450, 13000), (2500, 12740), (2548, 12500), (2600, 12250), (2800, 11375), (3125, 10192), (3185, 10000), (3250, 9800), (3500, 9100), (3640, 8750), (3920, 8125), (4375, 7280), (4550, 7000), (4900, 6500), (5000, 6370), (5096, 6250), (5200, 6125)]