8420176

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{821}}^1$

素因数の和:1470

約数の個数: 20

約数和(自身を含む): 16359444

約数和(自身を除く): 7939268

約数列:

[1, 2, 4, 8, 16, 641, 821, 1282, 1642, 2564, 3284, 5128, 6568, 10256, 13136, 526261, 1052522, 2105044, 4210088, 8420176]

約数ペア:

[(1, 8420176), (2, 4210088), (4, 2105044), (8, 1052522), (16, 526261), (641, 13136), (821, 10256), (1282, 6568), (1642, 5128), (2564, 3284)]