85731740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2609}}^1$

素因数の和:2702

約数の個数: 48

約数和(自身を含む): 189423360

約数和(自身を除く): 103691620

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 620, 1060, 1643, 2609, 3286, 5218, 6572, 8215, 10436, 13045, 16430, 26090, 32860, 52180, 80879, 138277, 161758, 276554, 323516, 404395, 553108, 691385, 808790, 1382770, 1617580, 2765540, 4286587, 8573174, 17146348, 21432935, 42865870, 85731740]

約数ペア:

[(1, 85731740), (2, 42865870), (4, 21432935), (5, 17146348), (10, 8573174), (20, 4286587), (31, 2765540), (53, 1617580), (62, 1382770), (106, 808790), (124, 691385), (155, 553108), (212, 404395), (265, 323516), (310, 276554), (530, 161758), (620, 138277), (1060, 80879), (1643, 52180), (2609, 32860), (3286, 26090), (5218, 16430), (6572, 13045), (8215, 10436)]