12876560

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2267}}^1$

素因数の和:2351

約数の個数: 40

約数和(自身を含む): 30373056

約数和(自身を除く): 17496496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2267, 2840, 4534, 5680, 9068, 11335, 18136, 22670, 36272, 45340, 90680, 160957, 181360, 321914, 643828, 804785, 1287656, 1609570, 2575312, 3219140, 6438280, 12876560]

約数ペア:

[(1, 12876560), (2, 6438280), (4, 3219140), (5, 2575312), (8, 1609570), (10, 1287656), (16, 804785), (20, 643828), (40, 321914), (71, 181360), (80, 160957), (142, 90680), (284, 45340), (355, 36272), (568, 22670), (710, 18136), (1136, 11335), (1420, 9068), (2267, 5680), (2840, 4534)]