7158280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2671}}^1$

素因数の和:2749

約数の個数: 32

約数和(自身を含む): 16352640

約数和(自身を除く): 9194360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2671, 2680, 5342, 10684, 13355, 21368, 26710, 53420, 106840, 178957, 357914, 715828, 894785, 1431656, 1789570, 3579140, 7158280]

約数ペア:

[(1, 7158280), (2, 3579140), (4, 1789570), (5, 1431656), (8, 894785), (10, 715828), (20, 357914), (40, 178957), (67, 106840), (134, 53420), (268, 26710), (335, 21368), (536, 13355), (670, 10684), (1340, 5342), (2671, 2680)]