2040821240

素因数分解:

$2^3\times 5^1\times {\mathrm{51020531}}^1$

素因数の和:51020542

約数の個数: 16

約数和(自身を含む): 4591847880

約数和(自身を除く): 2551026640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 51020531, 102041062, 204082124, 255102655, 408164248, 510205310, 1020410620, 2040821240]

約数ペア:

[(1, 2040821240), (2, 1020410620), (4, 510205310), (5, 408164248), (8, 255102655), (10, 204082124), (20, 102041062), (40, 51020531)]