64986010

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{15889}}^1$

素因数の和:16305

約数の個数: 16

約数和(自身を含む): 117268200

約数和(自身を除く): 52282190

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 15889, 31778, 79445, 158890, 6498601, 12997202, 32493005, 64986010]

約数ペア:

[(1, 64986010), (2, 32493005), (5, 12997202), (10, 6498601), (409, 158890), (818, 79445), (2045, 31778), (4090, 15889)]