72756680

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{11159}}^1$

素因数の和:11333

約数の個数: 32

約数和(自身を含む): 164721600

約数和(自身を除く): 91964920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 11159, 22318, 44636, 55795, 89272, 111590, 223180, 446360, 1818917, 3637834, 7275668, 9094585, 14551336, 18189170, 36378340, 72756680]

約数ペア:

[(1, 72756680), (2, 36378340), (4, 18189170), (5, 14551336), (8, 9094585), (10, 7275668), (20, 3637834), (40, 1818917), (163, 446360), (326, 223180), (652, 111590), (815, 89272), (1304, 55795), (1630, 44636), (3260, 22318), (6520, 11159)]