8890660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 20079360

約数和(自身を除く): 11188700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 331, 340, 395, 662, 790, 1324, 1343, 1580, 1655, 2686, 3310, 5372, 5627, 6620, 6715, 11254, 13430, 22508, 26149, 26860, 28135, 52298, 56270, 104596, 112540, 130745, 261490, 444533, 522980, 889066, 1778132, 2222665, 4445330, 8890660]

約数ペア:

[(1, 8890660), (2, 4445330), (4, 2222665), (5, 1778132), (10, 889066), (17, 522980), (20, 444533), (34, 261490), (68, 130745), (79, 112540), (85, 104596), (158, 56270), (170, 52298), (316, 28135), (331, 26860), (340, 26149), (395, 22508), (662, 13430), (790, 11254), (1324, 6715), (1343, 6620), (1580, 5627), (1655, 5372), (2686, 3310)]