2120215870

素因数分解:

$2^1\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{166031}}^1$

素因数の和:167315

約数の個数: 16

約数和(自身を含む): 3819400128

約数和(自身を除く): 1699184258

約数列:

[1, 2, 5, 10, 1277, 2554, 6385, 12770, 166031, 332062, 830155, 1660310, 212021587, 424043174, 1060107935, 2120215870]

約数ペア:

[(1, 2120215870), (2, 1060107935), (5, 424043174), (10, 212021587), (1277, 1660310), (2554, 830155), (6385, 332062), (12770, 166031)]