28216360

素因数分解:

$2^3\times 5^1\times {\mathrm{705409}}^1$

素因数の和:705420

約数の個数: 16

約数和(自身を含む): 63486900

約数和(自身を除く): 35270540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 705409, 1410818, 2821636, 3527045, 5643272, 7054090, 14108180, 28216360]

約数ペア:

[(1, 28216360), (2, 14108180), (4, 7054090), (5, 5643272), (8, 3527045), (10, 2821636), (20, 1410818), (40, 705409)]