23238020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 53014080

約数和(自身を除く): 29776060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 643, 695, 1286, 1390, 1807, 2572, 2780, 3215, 3614, 6430, 7228, 8359, 9035, 12860, 16718, 18070, 33436, 36140, 41795, 83590, 89377, 167180, 178754, 357508, 446885, 893770, 1161901, 1787540, 2323802, 4647604, 5809505, 11619010, 23238020]

約数ペア:

[(1, 23238020), (2, 11619010), (4, 5809505), (5, 4647604), (10, 2323802), (13, 1787540), (20, 1161901), (26, 893770), (52, 446885), (65, 357508), (130, 178754), (139, 167180), (260, 89377), (278, 83590), (556, 41795), (643, 36140), (695, 33436), (1286, 18070), (1390, 16718), (1807, 12860), (2572, 9035), (2780, 8359), (3215, 7228), (3614, 6430)]