64565240

素因数分解:

$2^3\times 5^1\times {\mathrm{769}}^1\times {\mathrm{2099}}^1$

素因数の和:2879

約数の個数: 32

約数和(自身を含む): 145530000

約数和(自身を除く): 80964760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 769, 1538, 2099, 3076, 3845, 4198, 6152, 7690, 8396, 10495, 15380, 16792, 20990, 30760, 41980, 83960, 1614131, 3228262, 6456524, 8070655, 12913048, 16141310, 32282620, 64565240]

約数ペア:

[(1, 64565240), (2, 32282620), (4, 16141310), (5, 12913048), (8, 8070655), (10, 6456524), (20, 3228262), (40, 1614131), (769, 83960), (1538, 41980), (2099, 30760), (3076, 20990), (3845, 16792), (4198, 15380), (6152, 10495), (7690, 8396)]