2748640

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 6667920

約数和(自身を除く): 3919280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 419, 656, 820, 838, 1312, 1640, 1676, 2095, 3280, 3352, 4190, 6560, 6704, 8380, 13408, 16760, 17179, 33520, 34358, 67040, 68716, 85895, 137432, 171790, 274864, 343580, 549728, 687160, 1374320, 2748640]

約数ペア:

[(1, 2748640), (2, 1374320), (4, 687160), (5, 549728), (8, 343580), (10, 274864), (16, 171790), (20, 137432), (32, 85895), (40, 68716), (41, 67040), (80, 34358), (82, 33520), (160, 17179), (164, 16760), (205, 13408), (328, 8380), (410, 6704), (419, 6560), (656, 4190), (820, 3352), (838, 3280), (1312, 2095), (1640, 1676)]