953847080

素因数分解:

$2^3\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{11941}}^1$

素因数の和:13949

約数の個数: 32

約数和(自身を含む): 2147410440

約数和(自身を除く): 1193563360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1997, 3994, 7988, 9985, 11941, 15976, 19970, 23882, 39940, 47764, 59705, 79880, 95528, 119410, 238820, 477640, 23846177, 47692354, 95384708, 119230885, 190769416, 238461770, 476923540, 953847080]

約数ペア:

[(1, 953847080), (2, 476923540), (4, 238461770), (5, 190769416), (8, 119230885), (10, 95384708), (20, 47692354), (40, 23846177), (1997, 477640), (3994, 238820), (7988, 119410), (9985, 95528), (11941, 79880), (15976, 59705), (19970, 47764), (23882, 39940)]