15837040

素因数分解:

$2^4\times 5^1\times {\mathrm{197963}}^1$

素因数の和:197976

約数の個数: 20

約数和(自身を含む): 36821304

約数和(自身を除く): 20984264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197963, 395926, 791852, 989815, 1583704, 1979630, 3167408, 3959260, 7918520, 15837040]

約数ペア:

[(1, 15837040), (2, 7918520), (4, 3959260), (5, 3167408), (8, 1979630), (10, 1583704), (16, 989815), (20, 791852), (40, 395926), (80, 197963)]