42801940

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{6971}}^1$

素因数の和:7287

約数の個数: 24

約数和(自身を含む): 90189792

約数和(自身を除く): 47387852

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 6971, 13942, 27884, 34855, 69710, 139420, 2140097, 4280194, 8560388, 10700485, 21400970, 42801940]

約数ペア:

[(1, 42801940), (2, 21400970), (4, 10700485), (5, 8560388), (10, 4280194), (20, 2140097), (307, 139420), (614, 69710), (1228, 34855), (1535, 27884), (3070, 13942), (6140, 6971)]