52520975

素因数分解:

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

素因数の和:468

約数の個数: 36

約数和(自身を含む): 72977472

約数和(自身を除く): 20456497

約数列:

[1, 5, 13, 25, 31, 65, 155, 169, 325, 401, 403, 775, 845, 2005, 2015, 4225, 5213, 5239, 10025, 10075, 12431, 26065, 26195, 62155, 67769, 130325, 130975, 161603, 310775, 338845, 808015, 1694225, 2100839, 4040075, 10504195, 52520975]

約数ペア:

[(1, 52520975), (5, 10504195), (13, 4040075), (25, 2100839), (31, 1694225), (65, 808015), (155, 338845), (169, 310775), (325, 161603), (401, 130975), (403, 130325), (775, 67769), (845, 62155), (2005, 26195), (2015, 26065), (4225, 12431), (5213, 10075), (5239, 10025)]