40380145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1597}}^1$

素因数の和:2004

約数の個数: 16

約数和(自身を含む): 52350480

約数和(自身を除く): 11970335

約数列:

[1, 5, 13, 65, 389, 1597, 1945, 5057, 7985, 20761, 25285, 103805, 621233, 3106165, 8076029, 40380145]

約数ペア:

[(1, 40380145), (5, 8076029), (13, 3106165), (65, 621233), (389, 103805), (1597, 25285), (1945, 20761), (5057, 7985)]