68103620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{20149}}^1$

素因数の和:20184

約数の個数: 36

約数和(自身を含む): 154872900

約数和(自身を除く): 86769280

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 20149, 40298, 80596, 100745, 201490, 261937, 402980, 523874, 1047748, 1309685, 2619370, 3405181, 5238740, 6810362, 13620724, 17025905, 34051810, 68103620]

約数ペア:

[(1, 68103620), (2, 34051810), (4, 17025905), (5, 13620724), (10, 6810362), (13, 5238740), (20, 3405181), (26, 2619370), (52, 1309685), (65, 1047748), (130, 523874), (169, 402980), (260, 261937), (338, 201490), (676, 100745), (845, 80596), (1690, 40298), (3380, 20149)]