51708080

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3571}}^1$

素因数の和:3765

約数の個数: 40

約数和(自身を含む): 120919344

約数和(自身を除く): 69211264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3571, 3620, 7142, 7240, 14284, 14480, 17855, 28568, 35710, 57136, 71420, 142840, 285680, 646351, 1292702, 2585404, 3231755, 5170808, 6463510, 10341616, 12927020, 25854040, 51708080]

約数ペア:

[(1, 51708080), (2, 25854040), (4, 12927020), (5, 10341616), (8, 6463510), (10, 5170808), (16, 3231755), (20, 2585404), (40, 1292702), (80, 646351), (181, 285680), (362, 142840), (724, 71420), (905, 57136), (1448, 35710), (1810, 28568), (2896, 17855), (3571, 14480), (3620, 14284), (7142, 7240)]