26899640

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2557}}^1$

素因数の和:2831

約数の個数: 32

約数和(自身を含む): 60778080

約数和(自身を除く): 33878440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2557, 2630, 5114, 5260, 10228, 10520, 12785, 20456, 25570, 51140, 102280, 672491, 1344982, 2689964, 3362455, 5379928, 6724910, 13449820, 26899640]

約数ペア:

[(1, 26899640), (2, 13449820), (4, 6724910), (5, 5379928), (8, 3362455), (10, 2689964), (20, 1344982), (40, 672491), (263, 102280), (526, 51140), (1052, 25570), (1315, 20456), (2104, 12785), (2557, 10520), (2630, 10228), (5114, 5260)]