25176820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11549}}^1$

素因数の和:11667

約数の個数: 24

約数和(自身を含む): 53361000

約数和(自身を除く): 28184180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 11549, 23098, 46196, 57745, 115490, 230980, 1258841, 2517682, 5035364, 6294205, 12588410, 25176820]

約数ペア:

[(1, 25176820), (2, 12588410), (4, 6294205), (5, 5035364), (10, 2517682), (20, 1258841), (109, 230980), (218, 115490), (436, 57745), (545, 46196), (1090, 23098), (2180, 11549)]