12623840

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 30037392

約数和(自身を除く): 17413552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 307, 514, 614, 1028, 1228, 1285, 1535, 2056, 2456, 2570, 3070, 4112, 4912, 5140, 6140, 8224, 9824, 10280, 12280, 20560, 24560, 41120, 49120, 78899, 157798, 315596, 394495, 631192, 788990, 1262384, 1577980, 2524768, 3155960, 6311920, 12623840]

約数ペア:

[(1, 12623840), (2, 6311920), (4, 3155960), (5, 2524768), (8, 1577980), (10, 1262384), (16, 788990), (20, 631192), (32, 394495), (40, 315596), (80, 157798), (160, 78899), (257, 49120), (307, 41120), (514, 24560), (614, 20560), (1028, 12280), (1228, 10280), (1285, 9824), (1535, 8224), (2056, 6140), (2456, 5140), (2570, 4912), (3070, 4112)]