40425515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{1987}}^1$

素因数の和:2318

約数の個数: 16

約数和(自身を含む): 52435488

約数和(自身を除く): 12009973

約数列:

[1, 5, 13, 65, 313, 1565, 1987, 4069, 9935, 20345, 25831, 129155, 621931, 3109655, 8085103, 40425515]

約数ペア:

[(1, 40425515), (5, 8085103), (13, 3109655), (65, 621931), (313, 129155), (1565, 25831), (1987, 20345), (4069, 9935)]