2821090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3571}}^1$

素因数の和:3657

約数の個数: 16

約数和(自身を含む): 5143680

約数和(自身を除く): 2322590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 3571, 7142, 17855, 35710, 282109, 564218, 1410545, 2821090]

約数ペア:

[(1, 2821090), (2, 1410545), (5, 564218), (10, 282109), (79, 35710), (158, 17855), (395, 7142), (790, 3571)]