13201525

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 17186400

約数和(自身を除く): 3984875

約数列:

[1, 5, 25, 29, 131, 139, 145, 655, 695, 725, 3275, 3475, 3799, 4031, 18209, 18995, 20155, 91045, 94975, 100775, 455225, 528061, 2640305, 13201525]

約数ペア:

[(1, 13201525), (5, 2640305), (25, 528061), (29, 455225), (131, 100775), (139, 94975), (145, 91045), (655, 20155), (695, 18995), (725, 18209), (3275, 4031), (3475, 3799)]