65857160

素因数分解:

$2^3\times 5^1\times {\mathrm{769}}^1\times {\mathrm{2141}}^1$

素因数の和:2921

約数の個数: 32

約数和(自身を含む): 148440600

約数和(自身を除く): 82583440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 769, 1538, 2141, 3076, 3845, 4282, 6152, 7690, 8564, 10705, 15380, 17128, 21410, 30760, 42820, 85640, 1646429, 3292858, 6585716, 8232145, 13171432, 16464290, 32928580, 65857160]

約数ペア:

[(1, 65857160), (2, 32928580), (4, 16464290), (5, 13171432), (8, 8232145), (10, 6585716), (20, 3292858), (40, 1646429), (769, 85640), (1538, 42820), (2141, 30760), (3076, 21410), (3845, 17128), (4282, 15380), (6152, 10705), (7690, 8564)]