2100035780

素因数分解:

$2^2\times 5^1\times {\mathrm{105001789}}^1$

素因数の和:105001798

約数の個数: 12

約数和(自身を含む): 4410075180

約数和(自身を除く): 2310039400

約数列:

[1, 2, 4, 5, 10, 20, 105001789, 210003578, 420007156, 525008945, 1050017890, 2100035780]

約数ペア:

[(1, 2100035780), (2, 1050017890), (4, 525008945), (5, 420007156), (10, 210003578), (20, 105001789)]