12640624

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{967}}^1$

素因数の和:1037

約数の個数: 40

約数和(自身を含む): 26407040

約数和(自身を除く): 13766416

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 967, 1634, 1934, 3268, 3868, 6536, 7736, 13072, 15472, 18373, 36746, 41581, 73492, 83162, 146984, 166324, 293968, 332648, 665296, 790039, 1580078, 3160156, 6320312, 12640624]

約数ペア:

[(1, 12640624), (2, 6320312), (4, 3160156), (8, 1580078), (16, 790039), (19, 665296), (38, 332648), (43, 293968), (76, 166324), (86, 146984), (152, 83162), (172, 73492), (304, 41581), (344, 36746), (688, 18373), (817, 15472), (967, 13072), (1634, 7736), (1934, 6536), (3268, 3868)]