55720240

素因数分解:

$2^4\times 5^1\times {\mathrm{696503}}^1$

素因数の和:696516

約数の個数: 20

約数和(自身を含む): 129549744

約数和(自身を除く): 73829504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 696503, 1393006, 2786012, 3482515, 5572024, 6965030, 11144048, 13930060, 27860120, 55720240]

約数ペア:

[(1, 55720240), (2, 27860120), (4, 13930060), (5, 11144048), (8, 6965030), (10, 5572024), (16, 3482515), (20, 2786012), (40, 1393006), (80, 696503)]