15139120

素因数分解:

$2^4\times 5^1\times {\mathrm{189239}}^1$

素因数の和:189252

約数の個数: 20

約数和(自身を含む): 35198640

約数和(自身を除く): 20059520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 189239, 378478, 756956, 946195, 1513912, 1892390, 3027824, 3784780, 7569560, 15139120]

約数ペア:

[(1, 15139120), (2, 7569560), (4, 3784780), (5, 3027824), (8, 1892390), (10, 1513912), (16, 946195), (20, 756956), (40, 378478), (80, 189239)]