25247680

素因数分解:

$2^6\times 5^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:581

約数の個数: 56

約数和(自身を含む): 60551568

約数和(自身を除く): 35303888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 257, 307, 320, 514, 614, 1028, 1228, 1285, 1535, 2056, 2456, 2570, 3070, 4112, 4912, 5140, 6140, 8224, 9824, 10280, 12280, 16448, 19648, 20560, 24560, 41120, 49120, 78899, 82240, 98240, 157798, 315596, 394495, 631192, 788990, 1262384, 1577980, 2524768, 3155960, 5049536, 6311920, 12623840, 25247680]

約数ペア:

[(1, 25247680), (2, 12623840), (4, 6311920), (5, 5049536), (8, 3155960), (10, 2524768), (16, 1577980), (20, 1262384), (32, 788990), (40, 631192), (64, 394495), (80, 315596), (160, 157798), (257, 98240), (307, 82240), (320, 78899), (514, 49120), (614, 41120), (1028, 24560), (1228, 20560), (1285, 19648), (1535, 16448), (2056, 12280), (2456, 10280), (2570, 9824), (3070, 8224), (4112, 6140), (4912, 5140)]