84100400

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{3967}}^1$

素因数の和:4038

約数の個数: 60

約数和(自身を含む): 205915392

約数和(自身を除く): 121814992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 424, 530, 848, 1060, 1325, 2120, 2650, 3967, 4240, 5300, 7934, 10600, 15868, 19835, 21200, 31736, 39670, 63472, 79340, 99175, 158680, 198350, 210251, 317360, 396700, 420502, 793400, 841004, 1051255, 1586800, 1682008, 2102510, 3364016, 4205020, 5256275, 8410040, 10512550, 16820080, 21025100, 42050200, 84100400]

約数ペア:

[(1, 84100400), (2, 42050200), (4, 21025100), (5, 16820080), (8, 10512550), (10, 8410040), (16, 5256275), (20, 4205020), (25, 3364016), (40, 2102510), (50, 1682008), (53, 1586800), (80, 1051255), (100, 841004), (106, 793400), (200, 420502), (212, 396700), (265, 317360), (400, 210251), (424, 198350), (530, 158680), (848, 99175), (1060, 79340), (1325, 63472), (2120, 39670), (2650, 31736), (3967, 21200), (4240, 19835), (5300, 15868), (7934, 10600)]