4040075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 5582976

約数和(自身を除く): 1542901

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 401, 403, 775, 2005, 2015, 5213, 10025, 10075, 12431, 26065, 62155, 130325, 161603, 310775, 808015, 4040075]

約数ペア:

[(1, 4040075), (5, 808015), (13, 310775), (25, 161603), (31, 130325), (65, 62155), (155, 26065), (325, 12431), (401, 10075), (403, 10025), (775, 5213), (2005, 2015)]