170872720

素因数分解:

$2^4\times 5^1\times {\mathrm{2135909}}^1$

素因数の和:2135922

約数の個数: 20

約数和(自身を含む): 397279260

約数和(自身を除く): 226406540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2135909, 4271818, 8543636, 10679545, 17087272, 21359090, 34174544, 42718180, 85436360, 170872720]

約数ペア:

[(1, 170872720), (2, 85436360), (4, 42718180), (5, 34174544), (8, 21359090), (10, 17087272), (16, 10679545), (20, 8543636), (40, 4271818), (80, 2135909)]