25503820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11699}}^1$

素因数の和:11817

約数の個数: 24

約数和(自身を含む): 54054000

約数和(自身を除く): 28550180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 11699, 23398, 46796, 58495, 116990, 233980, 1275191, 2550382, 5100764, 6375955, 12751910, 25503820]

約数ペア:

[(1, 25503820), (2, 12751910), (4, 6375955), (5, 5100764), (10, 2550382), (20, 1275191), (109, 233980), (218, 116990), (436, 58495), (545, 46796), (1090, 23398), (2180, 11699)]