64011025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2213}}^1$

素因数の和:2325

約数の個数: 24

約数和(自身を含む): 86478840

約数和(自身を除く): 22467815

約数列:

[1, 5, 13, 25, 65, 89, 325, 445, 1157, 2213, 2225, 5785, 11065, 28769, 28925, 55325, 143845, 196957, 719225, 984785, 2560441, 4923925, 12802205, 64011025]

約数ペア:

[(1, 64011025), (5, 12802205), (13, 4923925), (25, 2560441), (65, 984785), (89, 719225), (325, 196957), (445, 143845), (1157, 55325), (2213, 28925), (2225, 28769), (5785, 11065)]