56400820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{402863}}^1$

素因数の和:402879

約数の個数: 24

約数和(自身を含む): 135362304

約数和(自身を除く): 78961484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 402863, 805726, 1611452, 2014315, 2820041, 4028630, 5640082, 8057260, 11280164, 14100205, 28200410, 56400820]

約数ペア:

[(1, 56400820), (2, 28200410), (4, 14100205), (5, 11280164), (7, 8057260), (10, 5640082), (14, 4028630), (20, 2820041), (28, 2014315), (35, 1611452), (70, 805726), (140, 402863)]