1109620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 2356200

約数和(自身を除く): 1246580

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 509, 545, 1018, 1090, 2036, 2180, 2545, 5090, 10180, 55481, 110962, 221924, 277405, 554810, 1109620]

約数ペア:

[(1, 1109620), (2, 554810), (4, 277405), (5, 221924), (10, 110962), (20, 55481), (109, 10180), (218, 5090), (436, 2545), (509, 2180), (545, 2036), (1018, 1090)]