42019921180

素因数分解:

$2^2\times 5^1\times {\mathrm{2100996059}}^1$

素因数の和:2100996068

約数の個数: 12

約数和(自身を含む): 88241834520

約数和(自身を除く): 46221913340

約数列:

[1, 2, 4, 5, 10, 20, 2100996059, 4201992118, 8403984236, 10504980295, 21009960590, 42019921180]

約数ペア:

[(1, 42019921180), (2, 21009960590), (4, 10504980295), (5, 8403984236), (10, 4201992118), (20, 2100996059)]