12690340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48809}}^1$

素因数の和:48831

約数の個数: 24

約数和(自身を含む): 28700280

約数和(自身を除く): 16009940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 48809, 97618, 195236, 244045, 488090, 634517, 976180, 1269034, 2538068, 3172585, 6345170, 12690340]

約数ペア:

[(1, 12690340), (2, 6345170), (4, 3172585), (5, 2538068), (10, 1269034), (13, 976180), (20, 634517), (26, 488090), (52, 244045), (65, 195236), (130, 97618), (260, 48809)]