64145275

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{397}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 83503584

約数和(自身を除く): 19358309

約数列:

[1, 5, 23, 25, 115, 281, 397, 575, 1405, 1985, 6463, 7025, 9131, 9925, 32315, 45655, 111557, 161575, 228275, 557785, 2565811, 2788925, 12829055, 64145275]

約数ペア:

[(1, 64145275), (5, 12829055), (23, 2788925), (25, 2565811), (115, 557785), (281, 228275), (397, 161575), (575, 111557), (1405, 45655), (1985, 32315), (6463, 9925), (7025, 9131)]