15431140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10867}}^1$

素因数の和:10947

約数の個数: 24

約数和(自身を含む): 32864832

約数和(自身を除く): 17433692

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 10867, 21734, 43468, 54335, 108670, 217340, 771557, 1543114, 3086228, 3857785, 7715570, 15431140]

約数ペア:

[(1, 15431140), (2, 7715570), (4, 3857785), (5, 3086228), (10, 1543114), (20, 771557), (71, 217340), (142, 108670), (284, 54335), (355, 43468), (710, 21734), (1420, 10867)]