68172280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{154937}}^1$

素因数の和:154959

約数の個数: 32

約数和(自身を含む): 167333040

約数和(自身を除く): 99160760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 154937, 309874, 619748, 774685, 1239496, 1549370, 1704307, 3098740, 3408614, 6197480, 6817228, 8521535, 13634456, 17043070, 34086140, 68172280]

約数ペア:

[(1, 68172280), (2, 34086140), (4, 17043070), (5, 13634456), (8, 8521535), (10, 6817228), (11, 6197480), (20, 3408614), (22, 3098740), (40, 1704307), (44, 1549370), (55, 1239496), (88, 774685), (110, 619748), (220, 309874), (440, 154937)]