87158420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101347}}^1$

素因数の和:101399

約数の個数: 24

約数和(自身を含む): 187291104

約数和(自身を除く): 100132684

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 101347, 202694, 405388, 506735, 1013470, 2026940, 4357921, 8715842, 17431684, 21789605, 43579210, 87158420]

約数ペア:

[(1, 87158420), (2, 43579210), (4, 21789605), (5, 17431684), (10, 8715842), (20, 4357921), (43, 2026940), (86, 1013470), (172, 506735), (215, 405388), (430, 202694), (860, 101347)]