25118420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{8429}}^1$

素因数の和:8587

約数の個数: 24

約数和(自身を含む): 53109000

約数和(自身を除く): 27990580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 8429, 16858, 33716, 42145, 84290, 168580, 1255921, 2511842, 5023684, 6279605, 12559210, 25118420]

約数ペア:

[(1, 25118420), (2, 12559210), (4, 6279605), (5, 5023684), (10, 2511842), (20, 1255921), (149, 168580), (298, 84290), (596, 42145), (745, 33716), (1490, 16858), (2980, 8429)]