72834920

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{11171}}^1$

素因数の和:11345

約数の個数: 32

約数和(自身を含む): 164898720

約数和(自身を除く): 92063800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 11171, 22342, 44684, 55855, 89368, 111710, 223420, 446840, 1820873, 3641746, 7283492, 9104365, 14566984, 18208730, 36417460, 72834920]

約数ペア:

[(1, 72834920), (2, 36417460), (4, 18208730), (5, 14566984), (8, 9104365), (10, 7283492), (20, 3641746), (40, 1820873), (163, 446840), (326, 223420), (652, 111710), (815, 89368), (1304, 55855), (1630, 44684), (3260, 22342), (6520, 11171)]