26985640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61331}}^1$

素因数の和:61353

約数の個数: 32

約数和(自身を含む): 66238560

約数和(自身を除く): 39252920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 61331, 122662, 245324, 306655, 490648, 613310, 674641, 1226620, 1349282, 2453240, 2698564, 3373205, 5397128, 6746410, 13492820, 26985640]

約数ペア:

[(1, 26985640), (2, 13492820), (4, 6746410), (5, 5397128), (8, 3373205), (10, 2698564), (11, 2453240), (20, 1349282), (22, 1226620), (40, 674641), (44, 613310), (55, 490648), (88, 306655), (110, 245324), (220, 122662), (440, 61331)]