7389622280

素因数分解:

$2^3\times 5^1\times {\mathrm{8161}}^1\times {\mathrm{22637}}^1$

素因数の和:30809

約数の個数: 32

約数和(自身を含む): 16629422040

約数和(自身を除く): 9239799760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8161, 16322, 22637, 32644, 40805, 45274, 65288, 81610, 90548, 113185, 163220, 181096, 226370, 326440, 452740, 905480, 184740557, 369481114, 738962228, 923702785, 1477924456, 1847405570, 3694811140, 7389622280]

約数ペア:

[(1, 7389622280), (2, 3694811140), (4, 1847405570), (5, 1477924456), (8, 923702785), (10, 738962228), (20, 369481114), (40, 184740557), (8161, 905480), (16322, 452740), (22637, 326440), (32644, 226370), (40805, 181096), (45274, 163220), (65288, 113185), (81610, 90548)]