20181100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{6959}}^1$

素因数の和:7002

約数の個数: 36

約数和(自身を含む): 45309600

約数和(自身を除く): 25128500

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 6959, 13918, 27836, 34795, 69590, 139180, 173975, 201811, 347950, 403622, 695900, 807244, 1009055, 2018110, 4036220, 5045275, 10090550, 20181100]

約数ペア:

[(1, 20181100), (2, 10090550), (4, 5045275), (5, 4036220), (10, 2018110), (20, 1009055), (25, 807244), (29, 695900), (50, 403622), (58, 347950), (100, 201811), (116, 173975), (145, 139180), (290, 69590), (580, 34795), (725, 27836), (1450, 13918), (2900, 6959)]