525820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:501

約数の個数: 24

約数和(自身を含む): 1124928

約数和(自身を除く): 599108

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 431, 610, 862, 1220, 1724, 2155, 4310, 8620, 26291, 52582, 105164, 131455, 262910, 525820]

約数ペア:

[(1, 525820), (2, 262910), (4, 131455), (5, 105164), (10, 52582), (20, 26291), (61, 8620), (122, 4310), (244, 2155), (305, 1724), (431, 1220), (610, 862)]