12327440

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{691}}^1$

素因数の和:927

約数の個数: 40

約数和(自身を含む): 28831488

約数和(自身を除く): 16504048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 691, 892, 1115, 1382, 1784, 2230, 2764, 3455, 3568, 4460, 5528, 6910, 8920, 11056, 13820, 17840, 27640, 55280, 154093, 308186, 616372, 770465, 1232744, 1540930, 2465488, 3081860, 6163720, 12327440]

約数ペア:

[(1, 12327440), (2, 6163720), (4, 3081860), (5, 2465488), (8, 1540930), (10, 1232744), (16, 770465), (20, 616372), (40, 308186), (80, 154093), (223, 55280), (446, 27640), (691, 17840), (892, 13820), (1115, 11056), (1382, 8920), (1784, 6910), (2230, 5528), (2764, 4460), (3455, 3568)]