12225440

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{701}}^1$

素因数の和:825

約数の個数: 48

約数和(自身を含む): 29189160

約数和(自身を除く): 16963720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 701, 872, 1090, 1402, 1744, 2180, 2804, 3488, 3505, 4360, 5608, 7010, 8720, 11216, 14020, 17440, 22432, 28040, 56080, 76409, 112160, 152818, 305636, 382045, 611272, 764090, 1222544, 1528180, 2445088, 3056360, 6112720, 12225440]

約数ペア:

[(1, 12225440), (2, 6112720), (4, 3056360), (5, 2445088), (8, 1528180), (10, 1222544), (16, 764090), (20, 611272), (32, 382045), (40, 305636), (80, 152818), (109, 112160), (160, 76409), (218, 56080), (436, 28040), (545, 22432), (701, 17440), (872, 14020), (1090, 11216), (1402, 8720), (1744, 7010), (2180, 5608), (2804, 4360), (3488, 3505)]