3978320

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^2$

素因数の和:459

約数の個数: 30

約数和(自身を含む): 9291258

約数和(自身を除く): 5312938

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 8920, 17840, 49729, 99458, 198916, 248645, 397832, 497290, 795664, 994580, 1989160, 3978320]

約数ペア:

[(1, 3978320), (2, 1989160), (4, 994580), (5, 795664), (8, 497290), (10, 397832), (16, 248645), (20, 198916), (40, 99458), (80, 49729), (223, 17840), (446, 8920), (892, 4460), (1115, 3568), (1784, 2230)]