8120240

素因数分解:

$2^4\times 5^1\times {\mathrm{101503}}^1$

素因数の和:101516

約数の個数: 20

約数和(自身を含む): 18879744

約数和(自身を除く): 10759504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101503, 203006, 406012, 507515, 812024, 1015030, 1624048, 2030060, 4060120, 8120240]

約数ペア:

[(1, 8120240), (2, 4060120), (4, 2030060), (5, 1624048), (8, 1015030), (10, 812024), (16, 507515), (20, 406012), (40, 203006), (80, 101503)]