64752025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6427}}^1$

素因数の和:6481

約数の個数: 24

約数和(自身を含む): 89272064

約数和(自身を除く): 24520039

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 6427, 10075, 32135, 83551, 160675, 199237, 417755, 996185, 2088775, 2590081, 4980925, 12950405, 64752025]

約数ペア:

[(1, 64752025), (5, 12950405), (13, 4980925), (25, 2590081), (31, 2088775), (65, 996185), (155, 417755), (325, 199237), (403, 160675), (775, 83551), (2015, 32135), (6427, 10075)]