39807640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8807}}^1$

素因数の和:8931

約数の個数: 32

約数和(自身を含む): 90370080

約数和(自身を除く): 50562440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 8807, 17614, 35228, 44035, 70456, 88070, 176140, 352280, 995191, 1990382, 3980764, 4975955, 7961528, 9951910, 19903820, 39807640]

約数ペア:

[(1, 39807640), (2, 19903820), (4, 9951910), (5, 7961528), (8, 4975955), (10, 3980764), (20, 1990382), (40, 995191), (113, 352280), (226, 176140), (452, 88070), (565, 70456), (904, 44035), (1130, 35228), (2260, 17614), (4520, 8807)]