135756440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109481}}^1$

素因数の和:109523

約数の個数: 32

約数和(自身を含む): 315308160

約数和(自身を除く): 179551720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 109481, 218962, 437924, 547405, 875848, 1094810, 2189620, 3393911, 4379240, 6787822, 13575644, 16969555, 27151288, 33939110, 67878220, 135756440]

約数ペア:

[(1, 135756440), (2, 67878220), (4, 33939110), (5, 27151288), (8, 16969555), (10, 13575644), (20, 6787822), (31, 4379240), (40, 3393911), (62, 2189620), (124, 1094810), (155, 875848), (248, 547405), (310, 437924), (620, 218962), (1240, 109481)]