12704240

素因数分解:

$2^4\times 5^1\times {\mathrm{158803}}^1$

素因数の和:158816

約数の個数: 20

約数和(自身を含む): 29537544

約数和(自身を除く): 16833304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 158803, 317606, 635212, 794015, 1270424, 1588030, 2540848, 3176060, 6352120, 12704240]

約数ペア:

[(1, 12704240), (2, 6352120), (4, 3176060), (5, 2540848), (8, 1588030), (10, 1270424), (16, 794015), (20, 635212), (40, 317606), (80, 158803)]