13920520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15131}}^1$

素因数の和:15165

約数の個数: 32

約数和(自身を含む): 32685120

約数和(自身を除く): 18764600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 15131, 30262, 60524, 75655, 121048, 151310, 302620, 348013, 605240, 696026, 1392052, 1740065, 2784104, 3480130, 6960260, 13920520]

約数ペア:

[(1, 13920520), (2, 6960260), (4, 3480130), (5, 2784104), (8, 1740065), (10, 1392052), (20, 696026), (23, 605240), (40, 348013), (46, 302620), (92, 151310), (115, 121048), (184, 75655), (230, 60524), (460, 30262), (920, 15131)]