80948740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{213023}}^1$

素因数の和:213051

約数の個数: 24

約数和(自身を含む): 178940160

約数和(自身を除く): 97991420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 213023, 426046, 852092, 1065115, 2130230, 4047437, 4260460, 8094874, 16189748, 20237185, 40474370, 80948740]

約数ペア:

[(1, 80948740), (2, 40474370), (4, 20237185), (5, 16189748), (10, 8094874), (19, 4260460), (20, 4047437), (38, 2130230), (76, 1065115), (95, 852092), (190, 426046), (380, 213023)]