2051237360

素因数分解:

$2^4\times 5^1\times {\mathrm{25640467}}^1$

素因数の和:25640480

約数の個数: 20

約数和(自身を含む): 4769127048

約数和(自身を除く): 2717889688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25640467, 51280934, 102561868, 128202335, 205123736, 256404670, 410247472, 512809340, 1025618680, 2051237360]

約数ペア:

[(1, 2051237360), (2, 1025618680), (4, 512809340), (5, 410247472), (8, 256404670), (10, 205123736), (16, 128202335), (20, 102561868), (40, 51280934), (80, 25640467)]