313360

素因数分解:

$2^4\times 5^1\times {\mathrm{3917}}^1$

素因数の和:3930

約数の個数: 20

約数和(自身を含む): 728748

約数和(自身を除く): 415388

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3917, 7834, 15668, 19585, 31336, 39170, 62672, 78340, 156680, 313360]

約数ペア:

[(1, 313360), (2, 156680), (4, 78340), (5, 62672), (8, 39170), (10, 31336), (16, 19585), (20, 15668), (40, 7834), (80, 3917)]