56911280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17351}}^1$

素因数の和:17405

約数の個数: 40

約数和(自身を含む): 135553824

約数和(自身を除く): 78642544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 17351, 34702, 69404, 86755, 138808, 173510, 277616, 347020, 694040, 711391, 1388080, 1422782, 2845564, 3556955, 5691128, 7113910, 11382256, 14227820, 28455640, 56911280]

約数ペア:

[(1, 56911280), (2, 28455640), (4, 14227820), (5, 11382256), (8, 7113910), (10, 5691128), (16, 3556955), (20, 2845564), (40, 1422782), (41, 1388080), (80, 711391), (82, 694040), (164, 347020), (205, 277616), (328, 173510), (410, 138808), (656, 86755), (820, 69404), (1640, 34702), (3280, 17351)]