20346960800

素因数分解:

$2^5\times 5^2\times {\mathrm{113}}^1\times {\mathrm{225077}}^1$

素因数の和:225210

約数の個数: 72

約数和(自身を含む): 50111816076

約数和(自身を除く): 29764855276

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 113, 160, 200, 226, 400, 452, 565, 800, 904, 1130, 1808, 2260, 2825, 3616, 4520, 5650, 9040, 11300, 18080, 22600, 45200, 90400, 225077, 450154, 900308, 1125385, 1800616, 2250770, 3601232, 4501540, 5626925, 7202464, 9003080, 11253850, 18006160, 22507700, 25433701, 36012320, 45015400, 50867402, 90030800, 101734804, 127168505, 180061600, 203469608, 254337010, 406939216, 508674020, 635842525, 813878432, 1017348040, 1271685050, 2034696080, 2543370100, 4069392160, 5086740200, 10173480400, 20346960800]

約数ペア:

[(1, 20346960800), (2, 10173480400), (4, 5086740200), (5, 4069392160), (8, 2543370100), (10, 2034696080), (16, 1271685050), (20, 1017348040), (25, 813878432), (32, 635842525), (40, 508674020), (50, 406939216), (80, 254337010), (100, 203469608), (113, 180061600), (160, 127168505), (200, 101734804), (226, 90030800), (400, 50867402), (452, 45015400), (565, 36012320), (800, 25433701), (904, 22507700), (1130, 18006160), (1808, 11253850), (2260, 9003080), (2825, 7202464), (3616, 5626925), (4520, 4501540), (5650, 3601232), (9040, 2250770), (11300, 1800616), (18080, 1125385), (22600, 900308), (45200, 450154), (90400, 225077)]