73719280

素因数分解:

$2^4\times 5^1\times {\mathrm{921491}}^1$

素因数の和:921504

約数の個数: 20

約数和(自身を含む): 171397512

約数和(自身を除く): 97678232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 921491, 1842982, 3685964, 4607455, 7371928, 9214910, 14743856, 18429820, 36859640, 73719280]

約数ペア:

[(1, 73719280), (2, 36859640), (4, 18429820), (5, 14743856), (8, 9214910), (10, 7371928), (16, 4607455), (20, 3685964), (40, 1842982), (80, 921491)]