87608080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{22349}}^1$

素因数の和:22376

約数の個数: 60

約数和(自身を含む): 236954700

約数和(自身を除く): 149346620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 22349, 44698, 89396, 111745, 156443, 178792, 223490, 312886, 357584, 446980, 625772, 782215, 893960, 1095101, 1251544, 1564430, 1787920, 2190202, 2503088, 3128860, 4380404, 5475505, 6257720, 8760808, 10951010, 12515440, 17521616, 21902020, 43804040, 87608080]

約数ペア:

[(1, 87608080), (2, 43804040), (4, 21902020), (5, 17521616), (7, 12515440), (8, 10951010), (10, 8760808), (14, 6257720), (16, 5475505), (20, 4380404), (28, 3128860), (35, 2503088), (40, 2190202), (49, 1787920), (56, 1564430), (70, 1251544), (80, 1095101), (98, 893960), (112, 782215), (140, 625772), (196, 446980), (245, 357584), (280, 312886), (392, 223490), (490, 178792), (560, 156443), (784, 111745), (980, 89396), (1960, 44698), (3920, 22349)]