28484440

素因数分解:

$2^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{859}}^1$

素因数の和:1699

約数の個数: 32

約数和(自身を含む): 64242000

約数和(自身を除く): 35757560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 829, 859, 1658, 1718, 3316, 3436, 4145, 4295, 6632, 6872, 8290, 8590, 16580, 17180, 33160, 34360, 712111, 1424222, 2848444, 3560555, 5696888, 7121110, 14242220, 28484440]

約数ペア:

[(1, 28484440), (2, 14242220), (4, 7121110), (5, 5696888), (8, 3560555), (10, 2848444), (20, 1424222), (40, 712111), (829, 34360), (859, 33160), (1658, 17180), (1718, 16580), (3316, 8590), (3436, 8290), (4145, 6872), (4295, 6632)]