68382340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263009}}^1$

素因数の和:263031

約数の個数: 24

約数和(自身を含む): 154649880

約数和(自身を除く): 86267540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263009, 526018, 1052036, 1315045, 2630090, 3419117, 5260180, 6838234, 13676468, 17095585, 34191170, 68382340]

約数ペア:

[(1, 68382340), (2, 34191170), (4, 17095585), (5, 13676468), (10, 6838234), (13, 5260180), (20, 3419117), (26, 2630090), (52, 1315045), (65, 1052036), (130, 526018), (260, 263009)]