8246740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 18098640

約数和(自身を除く): 9851900

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 113, 164, 178, 205, 226, 356, 410, 445, 452, 565, 820, 890, 1130, 1780, 2260, 3649, 4633, 7298, 9266, 10057, 14596, 18245, 18532, 20114, 23165, 36490, 40228, 46330, 50285, 72980, 92660, 100570, 201140, 412337, 824674, 1649348, 2061685, 4123370, 8246740]

約数ペア:

[(1, 8246740), (2, 4123370), (4, 2061685), (5, 1649348), (10, 824674), (20, 412337), (41, 201140), (82, 100570), (89, 92660), (113, 72980), (164, 50285), (178, 46330), (205, 40228), (226, 36490), (356, 23165), (410, 20114), (445, 18532), (452, 18245), (565, 14596), (820, 10057), (890, 9266), (1130, 7298), (1780, 4633), (2260, 3649)]