125035640

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{12163}}^1$

素因数の和:12431

約数の個数: 32

約数和(自身を含む): 282448080

約数和(自身を除く): 157412440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 12163, 24326, 48652, 60815, 97304, 121630, 243260, 486520, 3125891, 6251782, 12503564, 15629455, 25007128, 31258910, 62517820, 125035640]

約数ペア:

[(1, 125035640), (2, 62517820), (4, 31258910), (5, 25007128), (8, 15629455), (10, 12503564), (20, 6251782), (40, 3125891), (257, 486520), (514, 243260), (1028, 121630), (1285, 97304), (2056, 60815), (2570, 48652), (5140, 24326), (10280, 12163)]