79243760

素因数分解:

$2^4\times 5^1\times {\mathrm{990547}}^1$

素因数の和:990560

約数の個数: 20

約数和(自身を含む): 184241928

約数和(自身を除く): 104998168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 990547, 1981094, 3962188, 4952735, 7924376, 9905470, 15848752, 19810940, 39621880, 79243760]

約数ペア:

[(1, 79243760), (2, 39621880), (4, 19810940), (5, 15848752), (8, 9905470), (10, 7924376), (16, 4952735), (20, 3962188), (40, 1981094), (80, 990547)]