313636720

素因数分解:

$2^4\times 5^1\times {\mathrm{3920459}}^1$

素因数の和:3920472

約数の個数: 20

約数和(自身を含む): 729205560

約数和(自身を除く): 415568840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3920459, 7840918, 15681836, 19602295, 31363672, 39204590, 62727344, 78409180, 156818360, 313636720]

約数ペア:

[(1, 313636720), (2, 156818360), (4, 78409180), (5, 62727344), (8, 39204590), (10, 31363672), (16, 19602295), (20, 15681836), (40, 7840918), (80, 3920459)]