15205040

素因数分解:

$2^4\times 5^1\times {\mathrm{190063}}^1$

素因数の和:190076

約数の個数: 20

約数和(自身を含む): 35351904

約数和(自身を除く): 20146864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 190063, 380126, 760252, 950315, 1520504, 1900630, 3041008, 3801260, 7602520, 15205040]

約数ペア:

[(1, 15205040), (2, 7602520), (4, 3801260), (5, 3041008), (8, 1900630), (10, 1520504), (16, 950315), (20, 760252), (40, 380126), (80, 190063)]