28871240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{24889}}^1$

素因数の和:24929

約数の個数: 32

約数和(自身を含む): 67203000

約数和(自身を除く): 38331760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 24889, 49778, 99556, 124445, 199112, 248890, 497780, 721781, 995560, 1443562, 2887124, 3608905, 5774248, 7217810, 14435620, 28871240]

約数ペア:

[(1, 28871240), (2, 14435620), (4, 7217810), (5, 5774248), (8, 3608905), (10, 2887124), (20, 1443562), (29, 995560), (40, 721781), (58, 497780), (116, 248890), (145, 199112), (232, 124445), (290, 99556), (580, 49778), (1160, 24889)]