8244560

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{401}}^1$

素因数の和:671

約数の個数: 40

約数和(自身を含む): 19291176

約数和(自身を除く): 11046616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 401, 514, 802, 1028, 1285, 1604, 2005, 2056, 2570, 3208, 4010, 4112, 5140, 6416, 8020, 10280, 16040, 20560, 32080, 103057, 206114, 412228, 515285, 824456, 1030570, 1648912, 2061140, 4122280, 8244560]

約数ペア:

[(1, 8244560), (2, 4122280), (4, 2061140), (5, 1648912), (8, 1030570), (10, 824456), (16, 515285), (20, 412228), (40, 206114), (80, 103057), (257, 32080), (401, 20560), (514, 16040), (802, 10280), (1028, 8020), (1285, 6416), (1604, 5140), (2005, 4112), (2056, 4010), (2570, 3208)]