205355525

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1901}}^1$

素因数の和:2089

約数の個数: 24

約数和(自身を含む): 265329000

約数和(自身を除く): 59973475

約数列:

[1, 5, 25, 29, 145, 149, 725, 745, 1901, 3725, 4321, 9505, 21605, 47525, 55129, 108025, 275645, 283249, 1378225, 1416245, 7081225, 8214221, 41071105, 205355525]

約数ペア:

[(1, 205355525), (5, 41071105), (25, 8214221), (29, 7081225), (145, 1416245), (149, 1378225), (725, 283249), (745, 275645), (1901, 108025), (3725, 55129), (4321, 47525), (9505, 21605)]