68750540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:962

約数の個数: 48

約数和(自身を含む): 149143680

約数和(自身を除く): 80393140

約数列:

[1, 2, 4, 5, 10, 20, 53, 79, 106, 158, 212, 265, 316, 395, 530, 790, 821, 1060, 1580, 1642, 3284, 4105, 4187, 8210, 8374, 16420, 16748, 20935, 41870, 43513, 64859, 83740, 87026, 129718, 174052, 217565, 259436, 324295, 435130, 648590, 870260, 1297180, 3437527, 6875054, 13750108, 17187635, 34375270, 68750540]

約数ペア:

[(1, 68750540), (2, 34375270), (4, 17187635), (5, 13750108), (10, 6875054), (20, 3437527), (53, 1297180), (79, 870260), (106, 648590), (158, 435130), (212, 324295), (265, 259436), (316, 217565), (395, 174052), (530, 129718), (790, 87026), (821, 83740), (1060, 64859), (1580, 43513), (1642, 41870), (3284, 20935), (4105, 16748), (4187, 16420), (8210, 8374)]