83616080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:388

約数の個数: 80

約数和(自身を含む): 201653760

約数和(自身を除く): 118037680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 109, 172, 215, 218, 223, 344, 430, 436, 446, 545, 688, 860, 872, 892, 1090, 1115, 1720, 1744, 1784, 2180, 2230, 3440, 3568, 4360, 4460, 4687, 8720, 8920, 9374, 9589, 17840, 18748, 19178, 23435, 24307, 37496, 38356, 46870, 47945, 48614, 74992, 76712, 93740, 95890, 97228, 121535, 153424, 187480, 191780, 194456, 243070, 374960, 383560, 388912, 486140, 767120, 972280, 1045201, 1944560, 2090402, 4180804, 5226005, 8361608, 10452010, 16723216, 20904020, 41808040, 83616080]

約数ペア:

[(1, 83616080), (2, 41808040), (4, 20904020), (5, 16723216), (8, 10452010), (10, 8361608), (16, 5226005), (20, 4180804), (40, 2090402), (43, 1944560), (80, 1045201), (86, 972280), (109, 767120), (172, 486140), (215, 388912), (218, 383560), (223, 374960), (344, 243070), (430, 194456), (436, 191780), (446, 187480), (545, 153424), (688, 121535), (860, 97228), (872, 95890), (892, 93740), (1090, 76712), (1115, 74992), (1720, 48614), (1744, 47945), (1784, 46870), (2180, 38356), (2230, 37496), (3440, 24307), (3568, 23435), (4360, 19178), (4460, 18748), (4687, 17840), (8720, 9589), (8920, 9374)]