2015560180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1\times {\mathrm{3119}}^1$

素因数の和:3616

約数の個数: 48

約数和(自身を含む): 4298112000

約数和(自身を除く): 2282551820

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 409, 790, 818, 1580, 1636, 2045, 3119, 4090, 6238, 8180, 12476, 15595, 31190, 32311, 62380, 64622, 129244, 161555, 246401, 323110, 492802, 646220, 985604, 1232005, 1275671, 2464010, 2551342, 4928020, 5102684, 6378355, 12756710, 25513420, 100778009, 201556018, 403112036, 503890045, 1007780090, 2015560180]

約数ペア:

[(1, 2015560180), (2, 1007780090), (4, 503890045), (5, 403112036), (10, 201556018), (20, 100778009), (79, 25513420), (158, 12756710), (316, 6378355), (395, 5102684), (409, 4928020), (790, 2551342), (818, 2464010), (1580, 1275671), (1636, 1232005), (2045, 985604), (3119, 646220), (4090, 492802), (6238, 323110), (8180, 246401), (12476, 161555), (15595, 129244), (31190, 64622), (32311, 62380)]