880240

素因数分解:

$2^4\times 5^1\times {\mathrm{11003}}^1$

素因数の和:11016

約数の個数: 20

約数和(自身を含む): 2046744

約数和(自身を除く): 1166504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11003, 22006, 44012, 55015, 88024, 110030, 176048, 220060, 440120, 880240]

約数ペア:

[(1, 880240), (2, 440120), (4, 220060), (5, 176048), (8, 110030), (10, 88024), (16, 55015), (20, 44012), (40, 22006), (80, 11003)]