40786928

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:394

約数の個数: 80

約数和(自身を含む): 98535360

約数和(自身を除く): 57748432

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 109, 112, 182, 208, 218, 257, 364, 436, 514, 728, 763, 872, 1028, 1417, 1456, 1526, 1744, 1799, 2056, 2834, 3052, 3341, 3598, 4112, 5668, 6104, 6682, 7196, 9919, 11336, 12208, 13364, 14392, 19838, 22672, 23387, 26728, 28013, 28784, 39676, 46774, 53456, 56026, 79352, 93548, 112052, 158704, 187096, 196091, 224104, 364169, 374192, 392182, 448208, 728338, 784364, 1456676, 1568728, 2549183, 2913352, 3137456, 5098366, 5826704, 10196732, 20393464, 40786928]

約数ペア:

[(1, 40786928), (2, 20393464), (4, 10196732), (7, 5826704), (8, 5098366), (13, 3137456), (14, 2913352), (16, 2549183), (26, 1568728), (28, 1456676), (52, 784364), (56, 728338), (91, 448208), (104, 392182), (109, 374192), (112, 364169), (182, 224104), (208, 196091), (218, 187096), (257, 158704), (364, 112052), (436, 93548), (514, 79352), (728, 56026), (763, 53456), (872, 46774), (1028, 39676), (1417, 28784), (1456, 28013), (1526, 26728), (1744, 23387), (1799, 22672), (2056, 19838), (2834, 14392), (3052, 13364), (3341, 12208), (3598, 11336), (4112, 9919), (5668, 7196), (6104, 6682)]