64195340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:719

約数の個数: 72

約数和(自身を含む): 152028576

約数和(自身を除く): 87833236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 121, 164, 205, 220, 242, 410, 451, 484, 605, 647, 820, 902, 1210, 1294, 1804, 2255, 2420, 2588, 3235, 4510, 4961, 6470, 7117, 9020, 9922, 12940, 14234, 19844, 24805, 26527, 28468, 35585, 49610, 53054, 71170, 78287, 99220, 106108, 132635, 142340, 156574, 265270, 291797, 313148, 391435, 530540, 583594, 782870, 1167188, 1458985, 1565740, 2917970, 3209767, 5835940, 6419534, 12839068, 16048835, 32097670, 64195340]

約数ペア:

[(1, 64195340), (2, 32097670), (4, 16048835), (5, 12839068), (10, 6419534), (11, 5835940), (20, 3209767), (22, 2917970), (41, 1565740), (44, 1458985), (55, 1167188), (82, 782870), (110, 583594), (121, 530540), (164, 391435), (205, 313148), (220, 291797), (242, 265270), (410, 156574), (451, 142340), (484, 132635), (605, 106108), (647, 99220), (820, 78287), (902, 71170), (1210, 53054), (1294, 49610), (1804, 35585), (2255, 28468), (2420, 26527), (2588, 24805), (3235, 19844), (4510, 14234), (4961, 12940), (6470, 9922), (7117, 9020)]