26812760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51563}}^1$

素因数の和:51587

約数の個数: 32

約数和(自身を含む): 64970640

約数和(自身を除く): 38157880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 51563, 103126, 206252, 257815, 412504, 515630, 670319, 1031260, 1340638, 2062520, 2681276, 3351595, 5362552, 6703190, 13406380, 26812760]

約数ペア:

[(1, 26812760), (2, 13406380), (4, 6703190), (5, 5362552), (8, 3351595), (10, 2681276), (13, 2062520), (20, 1340638), (26, 1031260), (40, 670319), (52, 515630), (65, 412504), (104, 257815), (130, 206252), (260, 103126), (520, 51563)]