85180460

素因数分解:

$2^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{2647}}^1$

素因数の和:4265

約数の個数: 24

約数和(自身を含む): 179057760

約数和(自身を除く): 93877300

約数列:

[1, 2, 4, 5, 10, 20, 1609, 2647, 3218, 5294, 6436, 8045, 10588, 13235, 16090, 26470, 32180, 52940, 4259023, 8518046, 17036092, 21295115, 42590230, 85180460]

約数ペア:

[(1, 85180460), (2, 42590230), (4, 21295115), (5, 17036092), (10, 8518046), (20, 4259023), (1609, 52940), (2647, 32180), (3218, 26470), (5294, 16090), (6436, 13235), (8045, 10588)]