164941120

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11987}}^1$

素因数の和:12047

約数の個数: 56

約数和(自身を含む): 401933664

約数和(自身を除く): 236992544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 6880, 11987, 13760, 23974, 47948, 59935, 95896, 119870, 191792, 239740, 383584, 479480, 515441, 767168, 958960, 1030882, 1917920, 2061764, 2577205, 3835840, 4123528, 5154410, 8247056, 10308820, 16494112, 20617640, 32988224, 41235280, 82470560, 164941120]

約数ペア:

[(1, 164941120), (2, 82470560), (4, 41235280), (5, 32988224), (8, 20617640), (10, 16494112), (16, 10308820), (20, 8247056), (32, 5154410), (40, 4123528), (43, 3835840), (64, 2577205), (80, 2061764), (86, 1917920), (160, 1030882), (172, 958960), (215, 767168), (320, 515441), (344, 479480), (430, 383584), (688, 239740), (860, 191792), (1376, 119870), (1720, 95896), (2752, 59935), (3440, 47948), (6880, 23974), (11987, 13760)]