123560240

素因数分解:

$2^4\times 5^1\times {\mathrm{1544503}}^1$

素因数の和:1544516

約数の個数: 20

約数和(自身を含む): 287277744

約数和(自身を除く): 163717504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1544503, 3089006, 6178012, 7722515, 12356024, 15445030, 24712048, 30890060, 61780120, 123560240]

約数ペア:

[(1, 123560240), (2, 61780120), (4, 30890060), (5, 24712048), (8, 15445030), (10, 12356024), (16, 7722515), (20, 6178012), (40, 3089006), (80, 1544503)]