15426680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8969}}^1$

素因数の和:9023

約数の個数: 32

約数和(自身を含む): 35521200

約数和(自身を除く): 20094520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 8969, 17938, 35876, 44845, 71752, 89690, 179380, 358760, 385667, 771334, 1542668, 1928335, 3085336, 3856670, 7713340, 15426680]

約数ペア:

[(1, 15426680), (2, 7713340), (4, 3856670), (5, 3085336), (8, 1928335), (10, 1542668), (20, 771334), (40, 385667), (43, 358760), (86, 179380), (172, 89690), (215, 71752), (344, 44845), (430, 35876), (860, 17938), (1720, 8969)]