204965480

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{16691}}^1$

素因数の和:17009

約数の個数: 32

約数和(自身を含む): 462702240

約数和(自身を除く): 257736760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 12280, 16691, 33382, 66764, 83455, 133528, 166910, 333820, 667640, 5124137, 10248274, 20496548, 25620685, 40993096, 51241370, 102482740, 204965480]

約数ペア:

[(1, 204965480), (2, 102482740), (4, 51241370), (5, 40993096), (8, 25620685), (10, 20496548), (20, 10248274), (40, 5124137), (307, 667640), (614, 333820), (1228, 166910), (1535, 133528), (2456, 83455), (3070, 66764), (6140, 33382), (12280, 16691)]