28970360

素因数分解:

$2^3\times 5^1\times {\mathrm{724259}}^1$

素因数の和:724270

約数の個数: 16

約数和(自身を含む): 65183400

約数和(自身を除く): 36213040

約数列:

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

約数ペア:

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