74567980

素因数分解:

$2^2\times 5^1\times {\mathrm{1867}}^1\times {\mathrm{1997}}^1$

素因数の和:3873

約数の個数: 24

約数和(自身を含む): 156755088

約数和(自身を除く): 82187108

約数列:

[1, 2, 4, 5, 10, 20, 1867, 1997, 3734, 3994, 7468, 7988, 9335, 9985, 18670, 19970, 37340, 39940, 3728399, 7456798, 14913596, 18641995, 37283990, 74567980]

約数ペア:

[(1, 74567980), (2, 37283990), (4, 18641995), (5, 14913596), (10, 7456798), (20, 3728399), (1867, 39940), (1997, 37340), (3734, 19970), (3994, 18670), (7468, 9985), (7988, 9335)]