67654340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{260209}}^1$

素因数の和:260231

約数の個数: 24

約数和(自身を含む): 153003480

約数和(自身を除く): 85349140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 260209, 520418, 1040836, 1301045, 2602090, 3382717, 5204180, 6765434, 13530868, 16913585, 33827170, 67654340]

約数ペア:

[(1, 67654340), (2, 33827170), (4, 16913585), (5, 13530868), (10, 6765434), (13, 5204180), (20, 3382717), (26, 2602090), (52, 1301045), (65, 1040836), (130, 520418), (260, 260209)]