1108540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1341

約数の個数: 24

約数和(自身を含む): 2383920

約数和(自身を除く): 1275380

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1289, 2578, 5156, 6445, 12890, 25780, 55427, 110854, 221708, 277135, 554270, 1108540]

約数ペア:

[(1, 1108540), (2, 554270), (4, 277135), (5, 221708), (10, 110854), (20, 55427), (43, 25780), (86, 12890), (172, 6445), (215, 5156), (430, 2578), (860, 1289)]