2019469640

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{119921}}^1$

素因数の和:120353

約数の個数: 32

約数和(自身を含む): 4554637560

約数和(自身を除く): 2535167920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 8420, 16840, 119921, 239842, 479684, 599605, 959368, 1199210, 2398420, 4796840, 50486741, 100973482, 201946964, 252433705, 403893928, 504867410, 1009734820, 2019469640]

約数ペア:

[(1, 2019469640), (2, 1009734820), (4, 504867410), (5, 403893928), (8, 252433705), (10, 201946964), (20, 100973482), (40, 50486741), (421, 4796840), (842, 2398420), (1684, 1199210), (2105, 959368), (3368, 599605), (4210, 479684), (8420, 239842), (16840, 119921)]