2656218580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1681151}}^1$

素因数の和:1681239

約数の個数: 24

約数和(自身を含む): 5648670720

約数和(自身を除く): 2992452140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1681151, 3362302, 6724604, 8405755, 16811510, 33623020, 132810929, 265621858, 531243716, 664054645, 1328109290, 2656218580]

約数ペア:

[(1, 2656218580), (2, 1328109290), (4, 664054645), (5, 531243716), (10, 265621858), (20, 132810929), (79, 33623020), (158, 16811510), (316, 8405755), (395, 6724604), (790, 3362302), (1580, 1681151)]