15842480

素因数分解:

$2^4\times 5^1\times {\mathrm{198031}}^1$

素因数の和:198044

約数の個数: 20

約数和(自身を含む): 36833952

約数和(自身を除く): 20991472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 198031, 396062, 792124, 990155, 1584248, 1980310, 3168496, 3960620, 7921240, 15842480]

約数ペア:

[(1, 15842480), (2, 7921240), (4, 3960620), (5, 3168496), (8, 1980310), (10, 1584248), (16, 990155), (20, 792124), (40, 396062), (80, 198031)]