204511280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{62351}}^1$

素因数の和:62405

約数の個数: 40

約数和(自身を含む): 487093824

約数和(自身を除く): 282582544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 62351, 124702, 249404, 311755, 498808, 623510, 997616, 1247020, 2494040, 2556391, 4988080, 5112782, 10225564, 12781955, 20451128, 25563910, 40902256, 51127820, 102255640, 204511280]

約数ペア:

[(1, 204511280), (2, 102255640), (4, 51127820), (5, 40902256), (8, 25563910), (10, 20451128), (16, 12781955), (20, 10225564), (40, 5112782), (41, 4988080), (80, 2556391), (82, 2494040), (164, 1247020), (205, 997616), (328, 623510), (410, 498808), (656, 311755), (820, 249404), (1640, 124702), (3280, 62351)]