2122160

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:701

約数の個数: 40

約数和(自身を含む): 5062176

約数和(自身を除く): 2940016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 647, 656, 820, 1294, 1640, 2588, 3235, 3280, 5176, 6470, 10352, 12940, 25880, 26527, 51760, 53054, 106108, 132635, 212216, 265270, 424432, 530540, 1061080, 2122160]

約数ペア:

[(1, 2122160), (2, 1061080), (4, 530540), (5, 424432), (8, 265270), (10, 212216), (16, 132635), (20, 106108), (40, 53054), (41, 51760), (80, 26527), (82, 25880), (164, 12940), (205, 10352), (328, 6470), (410, 5176), (647, 3280), (656, 3235), (820, 2588), (1294, 1640)]