79804360

素因数分解:

$2^3\times 5^1\times {\mathrm{1995109}}^1$

素因数の和:1995120

約数の個数: 16

約数和(自身を含む): 179559900

約数和(自身を除く): 99755540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1995109, 3990218, 7980436, 9975545, 15960872, 19951090, 39902180, 79804360]

約数ペア:

[(1, 79804360), (2, 39902180), (4, 19951090), (5, 15960872), (8, 9975545), (10, 7980436), (20, 3990218), (40, 1995109)]