28525040

素因数分解:

$2^4\times 5^1\times {\mathrm{356563}}^1$

素因数の和:356576

約数の個数: 20

約数和(自身を含む): 66320904

約数和(自身を除く): 37795864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 356563, 713126, 1426252, 1782815, 2852504, 3565630, 5705008, 7131260, 14262520, 28525040]

約数ペア:

[(1, 28525040), (2, 14262520), (4, 7131260), (5, 5705008), (8, 3565630), (10, 2852504), (16, 1782815), (20, 1426252), (40, 713126), (80, 356563)]