86072720

素因数分解:

$2^4\times 5^1\times {\mathrm{1075909}}^1$

素因数の和:1075922

約数の個数: 20

約数和(自身を含む): 200119260

約数和(自身を除く): 114046540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1075909, 2151818, 4303636, 5379545, 8607272, 10759090, 17214544, 21518180, 43036360, 86072720]

約数ペア:

[(1, 86072720), (2, 43036360), (4, 21518180), (5, 17214544), (8, 10759090), (10, 8607272), (16, 5379545), (20, 4303636), (40, 2151818), (80, 1075909)]