8872720

素因数分解:

$2^4\times 5^1\times {\mathrm{110909}}^1$

素因数の和:110922

約数の個数: 20

約数和(自身を含む): 20629260

約数和(自身を除く): 11756540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 110909, 221818, 443636, 554545, 887272, 1109090, 1774544, 2218180, 4436360, 8872720]

約数ペア:

[(1, 8872720), (2, 4436360), (4, 2218180), (5, 1774544), (8, 1109090), (10, 887272), (16, 554545), (20, 443636), (40, 221818), (80, 110909)]