28169780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{74131}}^1$

素因数の和:74159

約数の個数: 24

約数和(自身を含む): 62270880

約数和(自身を除く): 34101100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 74131, 148262, 296524, 370655, 741310, 1408489, 1482620, 2816978, 5633956, 7042445, 14084890, 28169780]

約数ペア:

[(1, 28169780), (2, 14084890), (4, 7042445), (5, 5633956), (10, 2816978), (19, 1482620), (20, 1408489), (38, 741310), (76, 370655), (95, 296524), (190, 148262), (380, 74131)]