12648740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48649}}^1$

素因数の和:48671

約数の個数: 24

約数和(自身を含む): 28606200

約数和(自身を除く): 15957460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 48649, 97298, 194596, 243245, 486490, 632437, 972980, 1264874, 2529748, 3162185, 6324370, 12648740]

約数ペア:

[(1, 12648740), (2, 6324370), (4, 3162185), (5, 2529748), (10, 1264874), (13, 972980), (20, 632437), (26, 486490), (52, 243245), (65, 194596), (130, 97298), (260, 48649)]