680805220

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{62921}}^1$

素因数の和:63471

約数の個数: 24

約数和(自身を含む): 1432356408

約数和(自身を除く): 751551188

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 5410, 10820, 62921, 125842, 251684, 314605, 629210, 1258420, 34040261, 68080522, 136161044, 170201305, 340402610, 680805220]

約数ペア:

[(1, 680805220), (2, 340402610), (4, 170201305), (5, 136161044), (10, 68080522), (20, 34040261), (541, 1258420), (1082, 629210), (2164, 314605), (2705, 251684), (5410, 125842), (10820, 62921)]