28055240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{14923}}^1$

素因数の和:14981

約数の個数: 32

約数和(自身を含む): 64471680

約数和(自身を除く): 36416440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 14923, 29846, 59692, 74615, 119384, 149230, 298460, 596920, 701381, 1402762, 2805524, 3506905, 5611048, 7013810, 14027620, 28055240]

約数ペア:

[(1, 28055240), (2, 14027620), (4, 7013810), (5, 5611048), (8, 3506905), (10, 2805524), (20, 1402762), (40, 701381), (47, 596920), (94, 298460), (188, 149230), (235, 119384), (376, 74615), (470, 59692), (940, 29846), (1880, 14923)]