28558960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8707}}^1$

素因数の和:8761

約数の個数: 40

約数和(自身を含む): 68026896

約数和(自身を除く): 39467936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 8707, 17414, 34828, 43535, 69656, 87070, 139312, 174140, 348280, 356987, 696560, 713974, 1427948, 1784935, 2855896, 3569870, 5711792, 7139740, 14279480, 28558960]

約数ペア:

[(1, 28558960), (2, 14279480), (4, 7139740), (5, 5711792), (8, 3569870), (10, 2855896), (16, 1784935), (20, 1427948), (40, 713974), (41, 696560), (80, 356987), (82, 348280), (164, 174140), (205, 139312), (328, 87070), (410, 69656), (656, 43535), (820, 34828), (1640, 17414), (3280, 8707)]