87486580

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{6803}}^1$

素因数の和:7455

約数の個数: 24

約数和(自身を含む): 184034592

約数和(自身を除く): 96548012

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 6803, 12860, 13606, 27212, 34015, 68030, 136060, 4374329, 8748658, 17497316, 21871645, 43743290, 87486580]

約数ペア:

[(1, 87486580), (2, 43743290), (4, 21871645), (5, 17497316), (10, 8748658), (20, 4374329), (643, 136060), (1286, 68030), (2572, 34015), (3215, 27212), (6430, 13606), (6803, 12860)]