205722280

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{26927}}^1$

素因数の和:27129

約数の個数: 32

約数和(自身を含む): 465315840

約数和(自身を除く): 259593560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 26927, 53854, 107708, 134635, 215416, 269270, 538540, 1077080, 5143057, 10286114, 20572228, 25715285, 41144456, 51430570, 102861140, 205722280]

約数ペア:

[(1, 205722280), (2, 102861140), (4, 51430570), (5, 41144456), (8, 25715285), (10, 20572228), (20, 10286114), (40, 5143057), (191, 1077080), (382, 538540), (764, 269270), (955, 215416), (1528, 134635), (1910, 107708), (3820, 53854), (7640, 26927)]