85004020

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{11839}}^1$

素因数の和:12207

約数の個数: 24

約数和(自身を含む): 179020800

約数和(自身を除く): 94016780

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 7180, 11839, 23678, 47356, 59195, 118390, 236780, 4250201, 8500402, 17000804, 21251005, 42502010, 85004020]

約数ペア:

[(1, 85004020), (2, 42502010), (4, 21251005), (5, 17000804), (10, 8500402), (20, 4250201), (359, 236780), (718, 118390), (1436, 59195), (1795, 47356), (3590, 23678), (7180, 11839)]