68653780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{264053}}^1$

素因数の和:264075

約数の個数: 24

約数和(自身を含む): 155263752

約数和(自身を除く): 86609972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 264053, 528106, 1056212, 1320265, 2640530, 3432689, 5281060, 6865378, 13730756, 17163445, 34326890, 68653780]

約数ペア:

[(1, 68653780), (2, 34326890), (4, 17163445), (5, 13730756), (10, 6865378), (13, 5281060), (20, 3432689), (26, 2640530), (52, 1320265), (65, 1056212), (130, 528106), (260, 264053)]