68760380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{264463}}^1$

素因数の和:264485

約数の個数: 24

約数和(自身を含む): 155504832

約数和(自身を除く): 86744452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 264463, 528926, 1057852, 1322315, 2644630, 3438019, 5289260, 6876038, 13752076, 17190095, 34380190, 68760380]

約数ペア:

[(1, 68760380), (2, 34380190), (4, 17190095), (5, 13752076), (10, 6876038), (13, 5289260), (20, 3438019), (26, 2644630), (52, 1322315), (65, 1057852), (130, 528926), (260, 264463)]