72042220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{59051}}^1$

素因数の和:59121

約数の個数: 24

約数和(自身を含む): 153771408

約数和(自身を除く): 81729188

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 59051, 118102, 236204, 295255, 590510, 1181020, 3602111, 7204222, 14408444, 18010555, 36021110, 72042220]

約数ペア:

[(1, 72042220), (2, 36021110), (4, 18010555), (5, 14408444), (10, 7204222), (20, 3602111), (61, 1181020), (122, 590510), (244, 295255), (305, 236204), (610, 118102), (1220, 59051)]