3405520

素因数分解:

$2^4\times 5^1\times {\mathrm{42569}}^1$

素因数の和:42582

約数の個数: 20

約数和(自身を含む): 7918020

約数和(自身を除く): 4512500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 42569, 85138, 170276, 212845, 340552, 425690, 681104, 851380, 1702760, 3405520]

約数ペア:

[(1, 3405520), (2, 1702760), (4, 851380), (5, 681104), (8, 425690), (10, 340552), (16, 212845), (20, 170276), (40, 85138), (80, 42569)]