25720045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8419}}^1$

素因数の和:8484

約数の個数: 16

約数和(自身を含む): 33949440

約数和(自身を除く): 8229395

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 8419, 42095, 109447, 395693, 547235, 1978465, 5144009, 25720045]

約数ペア:

[(1, 25720045), (5, 5144009), (13, 1978465), (47, 547235), (65, 395693), (235, 109447), (611, 42095), (3055, 8419)]