20138374000

素因数分解:

$2^4\times 5^3\times {\mathrm{1637}}^1\times {\mathrm{6151}}^1$

素因数の和:7811

約数の個数: 80

約数和(自身を含む): 48732255936

約数和(自身を除く): 28593881936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 1637, 2000, 3274, 6151, 6548, 8185, 12302, 13096, 16370, 24604, 26192, 30755, 32740, 40925, 49208, 61510, 65480, 81850, 98416, 123020, 130960, 153775, 163700, 204625, 246040, 307550, 327400, 409250, 492080, 615100, 654800, 768875, 818500, 1230200, 1537750, 1637000, 2460400, 3075500, 3274000, 6151000, 10069187, 12302000, 20138374, 40276748, 50345935, 80553496, 100691870, 161106992, 201383740, 251729675, 402767480, 503459350, 805534960, 1006918700, 1258648375, 2013837400, 2517296750, 4027674800, 5034593500, 10069187000, 20138374000]

約数ペア:

[(1, 20138374000), (2, 10069187000), (4, 5034593500), (5, 4027674800), (8, 2517296750), (10, 2013837400), (16, 1258648375), (20, 1006918700), (25, 805534960), (40, 503459350), (50, 402767480), (80, 251729675), (100, 201383740), (125, 161106992), (200, 100691870), (250, 80553496), (400, 50345935), (500, 40276748), (1000, 20138374), (1637, 12302000), (2000, 10069187), (3274, 6151000), (6151, 3274000), (6548, 3075500), (8185, 2460400), (12302, 1637000), (13096, 1537750), (16370, 1230200), (24604, 818500), (26192, 768875), (30755, 654800), (32740, 615100), (40925, 492080), (49208, 409250), (61510, 327400), (65480, 307550), (81850, 246040), (98416, 204625), (123020, 163700), (130960, 153775)]