16489120

素因数分解:

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

素因数の和:673

約数の個数: 48

約数和(自身を含む): 39204648

約数和(自身を除く): 22715528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 401, 514, 802, 1028, 1285, 1604, 2005, 2056, 2570, 3208, 4010, 4112, 5140, 6416, 8020, 8224, 10280, 12832, 16040, 20560, 32080, 41120, 64160, 103057, 206114, 412228, 515285, 824456, 1030570, 1648912, 2061140, 3297824, 4122280, 8244560, 16489120]

約数ペア:

[(1, 16489120), (2, 8244560), (4, 4122280), (5, 3297824), (8, 2061140), (10, 1648912), (16, 1030570), (20, 824456), (32, 515285), (40, 412228), (80, 206114), (160, 103057), (257, 64160), (401, 41120), (514, 32080), (802, 20560), (1028, 16040), (1285, 12832), (1604, 10280), (2005, 8224), (2056, 8020), (2570, 6416), (3208, 5140), (4010, 4112)]