352720

素因数分解:

$2^4\times 5^1\times {\mathrm{4409}}^1$

素因数の和:4422

約数の個数: 20

約数和(自身を含む): 820260

約数和(自身を除く): 467540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4409, 8818, 17636, 22045, 35272, 44090, 70544, 88180, 176360, 352720]

約数ペア:

[(1, 352720), (2, 176360), (4, 88180), (5, 70544), (8, 44090), (10, 35272), (16, 22045), (20, 17636), (40, 8818), (80, 4409)]