55205480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3391}}^1$

素因数の和:3450

約数の個数: 64

約数和(自身を含む): 139207680

約数和(自身を除く): 84002200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 3391, 4070, 6782, 8140, 13564, 16280, 16955, 27128, 33910, 37301, 67820, 74602, 125467, 135640, 149204, 186505, 250934, 298408, 373010, 501868, 627335, 746020, 1003736, 1254670, 1380137, 1492040, 2509340, 2760274, 5018680, 5520548, 6900685, 11041096, 13801370, 27602740, 55205480]

約数ペア:

[(1, 55205480), (2, 27602740), (4, 13801370), (5, 11041096), (8, 6900685), (10, 5520548), (11, 5018680), (20, 2760274), (22, 2509340), (37, 1492040), (40, 1380137), (44, 1254670), (55, 1003736), (74, 746020), (88, 627335), (110, 501868), (148, 373010), (185, 298408), (220, 250934), (296, 186505), (370, 149204), (407, 135640), (440, 125467), (740, 74602), (814, 67820), (1480, 37301), (1628, 33910), (2035, 27128), (3256, 16955), (3391, 16280), (4070, 13564), (6782, 8140)]