81519550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2617}}^1$

素因数の和:2725

約数の個数: 48

約数和(自身を含む): 175301280

約数和(自身を除く): 93781730

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 89, 175, 178, 350, 445, 623, 890, 1246, 2225, 2617, 3115, 4450, 5234, 6230, 13085, 15575, 18319, 26170, 31150, 36638, 65425, 91595, 130850, 183190, 232913, 457975, 465826, 915950, 1164565, 1630391, 2329130, 3260782, 5822825, 8151955, 11645650, 16303910, 40759775, 81519550]

約数ペア:

[(1, 81519550), (2, 40759775), (5, 16303910), (7, 11645650), (10, 8151955), (14, 5822825), (25, 3260782), (35, 2329130), (50, 1630391), (70, 1164565), (89, 915950), (175, 465826), (178, 457975), (350, 232913), (445, 183190), (623, 130850), (890, 91595), (1246, 65425), (2225, 36638), (2617, 31150), (3115, 26170), (4450, 18319), (5234, 15575), (6230, 13085)]