68920540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{265079}}^1$

素因数の和:265101

約数の個数: 24

約数和(自身を含む): 155867040

約数和(自身を除く): 86946500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 265079, 530158, 1060316, 1325395, 2650790, 3446027, 5301580, 6892054, 13784108, 17230135, 34460270, 68920540]

約数ペア:

[(1, 68920540), (2, 34460270), (4, 17230135), (5, 13784108), (10, 6892054), (13, 5301580), (20, 3446027), (26, 2650790), (52, 1325395), (65, 1060316), (130, 530158), (260, 265079)]