40404640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13291}}^1$

素因数の和:13325

約数の個数: 48

約数和(自身を含む): 100487520

約数和(自身を除く): 60082880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 13291, 26582, 53164, 66455, 106328, 132910, 212656, 252529, 265820, 425312, 505058, 531640, 1010116, 1063280, 1262645, 2020232, 2126560, 2525290, 4040464, 5050580, 8080928, 10101160, 20202320, 40404640]

約数ペア:

[(1, 40404640), (2, 20202320), (4, 10101160), (5, 8080928), (8, 5050580), (10, 4040464), (16, 2525290), (19, 2126560), (20, 2020232), (32, 1262645), (38, 1063280), (40, 1010116), (76, 531640), (80, 505058), (95, 425312), (152, 265820), (160, 252529), (190, 212656), (304, 132910), (380, 106328), (608, 66455), (760, 53164), (1520, 26582), (3040, 13291)]