80425360

素因数分解:

$2^4\times 5^1\times {\mathrm{1005317}}^1$

素因数の和:1005330

約数の個数: 20

約数和(自身を含む): 186989148

約数和(自身を除く): 106563788

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1005317, 2010634, 4021268, 5026585, 8042536, 10053170, 16085072, 20106340, 40212680, 80425360]

約数ペア:

[(1, 80425360), (2, 40212680), (4, 20106340), (5, 16085072), (8, 10053170), (10, 8042536), (16, 5026585), (20, 4021268), (40, 2010634), (80, 1005317)]