140588120

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{15761}}^1$

素因数の和:15995

約数の個数: 32

約数和(自身を含む): 317761920

約数和(自身を除く): 177173800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 15761, 31522, 63044, 78805, 126088, 157610, 315220, 630440, 3514703, 7029406, 14058812, 17573515, 28117624, 35147030, 70294060, 140588120]

約数ペア:

[(1, 140588120), (2, 70294060), (4, 35147030), (5, 28117624), (8, 17573515), (10, 14058812), (20, 7029406), (40, 3514703), (223, 630440), (446, 315220), (892, 157610), (1115, 126088), (1784, 78805), (2230, 63044), (4460, 31522), (8920, 15761)]