8889299620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1321}}^1\times {\mathrm{4259}}^1$

素因数の和:5668

約数の個数: 48

約数和(自身を含む): 18922579200

約数和(自身を除く): 10033279580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1321, 1580, 2642, 4259, 5284, 6605, 8518, 13210, 17036, 21295, 26420, 42590, 85180, 104359, 208718, 336461, 417436, 521795, 672922, 1043590, 1345844, 1682305, 2087180, 3364610, 5626139, 6729220, 11252278, 22504556, 28130695, 56261390, 112522780, 444464981, 888929962, 1777859924, 2222324905, 4444649810, 8889299620]

約数ペア:

[(1, 8889299620), (2, 4444649810), (4, 2222324905), (5, 1777859924), (10, 888929962), (20, 444464981), (79, 112522780), (158, 56261390), (316, 28130695), (395, 22504556), (790, 11252278), (1321, 6729220), (1580, 5626139), (2642, 3364610), (4259, 2087180), (5284, 1682305), (6605, 1345844), (8518, 1043590), (13210, 672922), (17036, 521795), (21295, 417436), (26420, 336461), (42590, 208718), (85180, 104359)]