15905080

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2381}}^1$

素因数の和:2559

約数の個数: 32

約数和(自身を含む): 36015840

約数和(自身を除く): 20110760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 2381, 3340, 4762, 6680, 9524, 11905, 19048, 23810, 47620, 95240, 397627, 795254, 1590508, 1988135, 3181016, 3976270, 7952540, 15905080]

約数ペア:

[(1, 15905080), (2, 7952540), (4, 3976270), (5, 3181016), (8, 1988135), (10, 1590508), (20, 795254), (40, 397627), (167, 95240), (334, 47620), (668, 23810), (835, 19048), (1336, 11905), (1670, 9524), (2381, 6680), (3340, 4762)]