28315120

素因数分解:

$2^4\times 5^1\times {\mathrm{353939}}^1$

素因数の和:353952

約数の個数: 20

約数和(自身を含む): 65832840

約数和(自身を除く): 37517720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353939, 707878, 1415756, 1769695, 2831512, 3539390, 5663024, 7078780, 14157560, 28315120]

約数ペア:

[(1, 28315120), (2, 14157560), (4, 7078780), (5, 5663024), (8, 3539390), (10, 2831512), (16, 1769695), (20, 1415756), (40, 707878), (80, 353939)]