65406980

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{14281}}^1$

素因数の和:14519

約数の個数: 24

約数和(自身を含む): 137964120

約数和(自身を除く): 72557140

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 14281, 28562, 57124, 71405, 142810, 285620, 3270349, 6540698, 13081396, 16351745, 32703490, 65406980]

約数ペア:

[(1, 65406980), (2, 32703490), (4, 16351745), (5, 13081396), (10, 6540698), (20, 3270349), (229, 285620), (458, 142810), (916, 71405), (1145, 57124), (2290, 28562), (4580, 14281)]