12515440

素因数分解:

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

素因数の和:22369

約数の個数: 40

約数和(自身を含む): 33256800

約数和(自身を除く): 20741360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 22349, 44698, 89396, 111745, 156443, 178792, 223490, 312886, 357584, 446980, 625772, 782215, 893960, 1251544, 1564430, 1787920, 2503088, 3128860, 6257720, 12515440]

約数ペア:

[(1, 12515440), (2, 6257720), (4, 3128860), (5, 2503088), (7, 1787920), (8, 1564430), (10, 1251544), (14, 893960), (16, 782215), (20, 625772), (28, 446980), (35, 357584), (40, 312886), (56, 223490), (70, 178792), (80, 156443), (112, 111745), (140, 89396), (280, 44698), (560, 22349)]