8175400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 19490940

約数和(自身を除く): 11315540

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 997, 1025, 1640, 1994, 2050, 3988, 4100, 4985, 7976, 8200, 9970, 19940, 24925, 39880, 40877, 49850, 81754, 99700, 163508, 199400, 204385, 327016, 408770, 817540, 1021925, 1635080, 2043850, 4087700, 8175400]

約数ペア:

[(1, 8175400), (2, 4087700), (4, 2043850), (5, 1635080), (8, 1021925), (10, 817540), (20, 408770), (25, 327016), (40, 204385), (41, 199400), (50, 163508), (82, 99700), (100, 81754), (164, 49850), (200, 40877), (205, 39880), (328, 24925), (410, 19940), (820, 9970), (997, 8200), (1025, 7976), (1640, 4985), (1994, 4100), (2050, 3988)]