1861520

素因数分解:

$2^4\times 5^1\times {\mathrm{23269}}^1$

素因数の和:23282

約数の個数: 20

約数和(自身を含む): 4328220

約数和(自身を除く): 2466700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23269, 46538, 93076, 116345, 186152, 232690, 372304, 465380, 930760, 1861520]

約数ペア:

[(1, 1861520), (2, 930760), (4, 465380), (5, 372304), (8, 232690), (10, 186152), (16, 116345), (20, 93076), (40, 46538), (80, 23269)]