12973360

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:901

約数の個数: 40

約数和(自身を含む): 30328416

約数和(自身を除く): 17355056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 631, 1028, 1262, 1285, 2056, 2524, 2570, 3155, 4112, 5048, 5140, 6310, 10096, 10280, 12620, 20560, 25240, 50480, 162167, 324334, 648668, 810835, 1297336, 1621670, 2594672, 3243340, 6486680, 12973360]

約数ペア:

[(1, 12973360), (2, 6486680), (4, 3243340), (5, 2594672), (8, 1621670), (10, 1297336), (16, 810835), (20, 648668), (40, 324334), (80, 162167), (257, 50480), (514, 25240), (631, 20560), (1028, 12620), (1262, 10280), (1285, 10096), (2056, 6310), (2524, 5140), (2570, 5048), (3155, 4112)]