68806540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{312757}}^1$

素因数の和:312777

約数の個数: 24

約数和(自身を含む): 157630032

約数和(自身を除く): 88823492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 312757, 625514, 1251028, 1563785, 3127570, 3440327, 6255140, 6880654, 13761308, 17201635, 34403270, 68806540]

約数ペア:

[(1, 68806540), (2, 34403270), (4, 17201635), (5, 13761308), (10, 6880654), (11, 6255140), (20, 3440327), (22, 3127570), (44, 1563785), (55, 1251028), (110, 625514), (220, 312757)]