80201212

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{220333}}^1$

素因数の和:220357

約数の個数: 24

約数和(自身を含む): 172741856

約数和(自身を除く): 92540644

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 220333, 440666, 881332, 1542331, 2864329, 3084662, 5728658, 6169324, 11457316, 20050303, 40100606, 80201212]

約数ペア:

[(1, 80201212), (2, 40100606), (4, 20050303), (7, 11457316), (13, 6169324), (14, 5728658), (26, 3084662), (28, 2864329), (52, 1542331), (91, 881332), (182, 440666), (364, 220333)]