179681420

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{55117}}^1$

素因数の和:55289

約数の個数: 24

約数和(自身を含む): 379652784

約数和(自身を除く): 199971364

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 55117, 110234, 220468, 275585, 551170, 1102340, 8984071, 17968142, 35936284, 44920355, 89840710, 179681420]

約数ペア:

[(1, 179681420), (2, 89840710), (4, 44920355), (5, 35936284), (10, 17968142), (20, 8984071), (163, 1102340), (326, 551170), (652, 275585), (815, 220468), (1630, 110234), (3260, 55117)]