71560240

素因数分解:

$2^4\times 5^1\times {\mathrm{894503}}^1$

素因数の和:894516

約数の個数: 20

約数和(自身を含む): 166377744

約数和(自身を除く): 94817504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 894503, 1789006, 3578012, 4472515, 7156024, 8945030, 14312048, 17890060, 35780120, 71560240]

約数ペア:

[(1, 71560240), (2, 35780120), (4, 17890060), (5, 14312048), (8, 8945030), (10, 7156024), (16, 4472515), (20, 3578012), (40, 1789006), (80, 894503)]