72317680

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{5413}}^1$

素因数の和:5593

約数の個数: 40

約数和(自身を含む): 169176672

約数和(自身を除く): 96858992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 5413, 6680, 10826, 13360, 21652, 27065, 43304, 54130, 86608, 108260, 216520, 433040, 903971, 1807942, 3615884, 4519855, 7231768, 9039710, 14463536, 18079420, 36158840, 72317680]

約数ペア:

[(1, 72317680), (2, 36158840), (4, 18079420), (5, 14463536), (8, 9039710), (10, 7231768), (16, 4519855), (20, 3615884), (40, 1807942), (80, 903971), (167, 433040), (334, 216520), (668, 108260), (835, 86608), (1336, 54130), (1670, 43304), (2672, 27065), (3340, 21652), (5413, 13360), (6680, 10826)]