28902880

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4201}}^1$

素因数の和:4259

約数の個数: 48

約数和(自身を含む): 69887664

約数和(自身を除く): 40984784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 4201, 6880, 8402, 16804, 21005, 33608, 42010, 67216, 84020, 134432, 168040, 180643, 336080, 361286, 672160, 722572, 903215, 1445144, 1806430, 2890288, 3612860, 5780576, 7225720, 14451440, 28902880]

約数ペア:

[(1, 28902880), (2, 14451440), (4, 7225720), (5, 5780576), (8, 3612860), (10, 2890288), (16, 1806430), (20, 1445144), (32, 903215), (40, 722572), (43, 672160), (80, 361286), (86, 336080), (160, 180643), (172, 168040), (215, 134432), (344, 84020), (430, 67216), (688, 42010), (860, 33608), (1376, 21005), (1720, 16804), (3440, 8402), (4201, 6880)]