51210440

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3041}}^1$

素因数の和:3473

約数の個数: 32

約数和(自身を含む): 115535160

約数和(自身を除く): 64324720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3041, 3368, 4210, 6082, 8420, 12164, 15205, 16840, 24328, 30410, 60820, 121640, 1280261, 2560522, 5121044, 6401305, 10242088, 12802610, 25605220, 51210440]

約数ペア:

[(1, 51210440), (2, 25605220), (4, 12802610), (5, 10242088), (8, 6401305), (10, 5121044), (20, 2560522), (40, 1280261), (421, 121640), (842, 60820), (1684, 30410), (2105, 24328), (3041, 16840), (3368, 15205), (4210, 12164), (6082, 8420)]