57940720

素因数分解:

$2^4\times 5^1\times {\mathrm{724259}}^1$

素因数の和:724272

約数の個数: 20

約数和(自身を含む): 134712360

約数和(自身を除く): 76771640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 724259, 1448518, 2897036, 3621295, 5794072, 7242590, 11588144, 14485180, 28970360, 57940720]

約数ペア:

[(1, 57940720), (2, 28970360), (4, 14485180), (5, 11588144), (8, 7242590), (10, 5794072), (16, 3621295), (20, 2897036), (40, 1448518), (80, 724259)]