199906780

素因数分解:

$2^2\times 5^1\times {\mathrm{2069}}^1\times {\mathrm{4831}}^1$

素因数の和:6909

約数の個数: 24

約数和(自身を含む): 420094080

約数和(自身を除く): 220187300

約数列:

[1, 2, 4, 5, 10, 20, 2069, 4138, 4831, 8276, 9662, 10345, 19324, 20690, 24155, 41380, 48310, 96620, 9995339, 19990678, 39981356, 49976695, 99953390, 199906780]

約数ペア:

[(1, 199906780), (2, 99953390), (4, 49976695), (5, 39981356), (10, 19990678), (20, 9995339), (2069, 96620), (4138, 48310), (4831, 41380), (8276, 24155), (9662, 20690), (10345, 19324)]