180612680

素因数分解:

$2^3\times 5^1\times {\mathrm{4515317}}^1$

素因数の和:4515328

約数の個数: 16

約数和(自身を含む): 406378620

約数和(自身を除く): 225765940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4515317, 9030634, 18061268, 22576585, 36122536, 45153170, 90306340, 180612680]

約数ペア:

[(1, 180612680), (2, 90306340), (4, 45153170), (5, 36122536), (8, 22576585), (10, 18061268), (20, 9030634), (40, 4515317)]