14780440

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1657}}^1$

素因数の和:1891

約数の個数: 32

約数和(自身を含む): 33425280

約数和(自身を除く): 18644840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1657, 1784, 2230, 3314, 4460, 6628, 8285, 8920, 13256, 16570, 33140, 66280, 369511, 739022, 1478044, 1847555, 2956088, 3695110, 7390220, 14780440]

約数ペア:

[(1, 14780440), (2, 7390220), (4, 3695110), (5, 2956088), (8, 1847555), (10, 1478044), (20, 739022), (40, 369511), (223, 66280), (446, 33140), (892, 16570), (1115, 13256), (1657, 8920), (1784, 8285), (2230, 6628), (3314, 4460)]