15380090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1571}}^1$

素因数の和:1678

約数の個数: 32

約数和(自身を含む): 30559680

約数和(自身を除く): 15179590

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1571, 1958, 3142, 4895, 7855, 9790, 15710, 17281, 34562, 86405, 139819, 172810, 279638, 699095, 1398190, 1538009, 3076018, 7690045, 15380090]

約数ペア:

[(1, 15380090), (2, 7690045), (5, 3076018), (10, 1538009), (11, 1398190), (22, 699095), (55, 279638), (89, 172810), (110, 139819), (178, 86405), (445, 34562), (890, 17281), (979, 15710), (1571, 9790), (1958, 7855), (3142, 4895)]