68396380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263063}}^1$

素因数の和:263085

約数の個数: 24

約数和(自身を含む): 154681632

約数和(自身を除く): 86285252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263063, 526126, 1052252, 1315315, 2630630, 3419819, 5261260, 6839638, 13679276, 17099095, 34198190, 68396380]

約数ペア:

[(1, 68396380), (2, 34198190), (4, 17099095), (5, 13679276), (10, 6839638), (13, 5261260), (20, 3419819), (26, 2630630), (52, 1315315), (65, 1052252), (130, 526126), (260, 263063)]