12707980

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{5623}}^1$

素因数の和:5745

約数の個数: 24

約数和(自身を含む): 26927712

約数和(自身を除く): 14219732

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 5623, 11246, 22492, 28115, 56230, 112460, 635399, 1270798, 2541596, 3176995, 6353990, 12707980]

約数ペア:

[(1, 12707980), (2, 6353990), (4, 3176995), (5, 2541596), (10, 1270798), (20, 635399), (113, 112460), (226, 56230), (452, 28115), (565, 22492), (1130, 11246), (2260, 5623)]