13237040

素因数分解:

$2^4\times 5^1\times {\mathrm{165463}}^1$

素因数の和:165476

約数の個数: 20

約数和(自身を含む): 30776304

約数和(自身を除く): 17539264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 165463, 330926, 661852, 827315, 1323704, 1654630, 2647408, 3309260, 6618520, 13237040]

約数ペア:

[(1, 13237040), (2, 6618520), (4, 3309260), (5, 2647408), (8, 1654630), (10, 1323704), (16, 827315), (20, 661852), (40, 330926), (80, 165463)]