64364740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{26597}}^1$

素因数の和:26628

約数の個数: 36

約数和(自身を含む): 148576428

約数和(自身を除く): 84211688

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 26597, 53194, 106388, 132985, 265970, 292567, 531940, 585134, 1170268, 1462835, 2925670, 3218237, 5851340, 6436474, 12872948, 16091185, 32182370, 64364740]

約数ペア:

[(1, 64364740), (2, 32182370), (4, 16091185), (5, 12872948), (10, 6436474), (11, 5851340), (20, 3218237), (22, 2925670), (44, 1462835), (55, 1170268), (110, 585134), (121, 531940), (220, 292567), (242, 265970), (484, 132985), (605, 106388), (1210, 53194), (2420, 26597)]