40641985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{3209}}^1$

素因数の和:3380

約数の個数: 16

約数和(自身を含む): 52002000

約数和(自身を除く): 11360015

約数列:

[1, 5, 17, 85, 149, 745, 2533, 3209, 12665, 16045, 54553, 272765, 478141, 2390705, 8128397, 40641985]

約数ペア:

[(1, 40641985), (5, 8128397), (17, 2390705), (85, 478141), (149, 272765), (745, 54553), (2533, 16045), (3209, 12665)]