328678360

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{13537}}^1$

素因数の和:14155

約数の個数: 32

約数和(自身を含む): 740799360

約数和(自身を除く): 412121000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 3035, 4856, 6070, 12140, 13537, 24280, 27074, 54148, 67685, 108296, 135370, 270740, 541480, 8216959, 16433918, 32867836, 41084795, 65735672, 82169590, 164339180, 328678360]

約数ペア:

[(1, 328678360), (2, 164339180), (4, 82169590), (5, 65735672), (8, 41084795), (10, 32867836), (20, 16433918), (40, 8216959), (607, 541480), (1214, 270740), (2428, 135370), (3035, 108296), (4856, 67685), (6070, 54148), (12140, 27074), (13537, 24280)]