15873040

素因数分解:

$2^4\times 5^1\times {\mathrm{198413}}^1$

素因数の和:198426

約数の個数: 20

約数和(自身を含む): 36905004

約数和(自身を除く): 21031964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 198413, 396826, 793652, 992065, 1587304, 1984130, 3174608, 3968260, 7936520, 15873040]

約数ペア:

[(1, 15873040), (2, 7936520), (4, 3968260), (5, 3174608), (8, 1984130), (10, 1587304), (16, 992065), (20, 793652), (40, 396826), (80, 198413)]