39840025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{359}}^1$

素因数の和:585

約数の個数: 24

約数和(自身を含む): 51960960

約数和(自身を除く): 12120935

約数列:

[1, 5, 23, 25, 115, 193, 359, 575, 965, 1795, 4439, 4825, 8257, 8975, 22195, 41285, 69287, 110975, 206425, 346435, 1593601, 1732175, 7968005, 39840025]

約数ペア:

[(1, 39840025), (5, 7968005), (23, 1732175), (25, 1593601), (115, 346435), (193, 206425), (359, 110975), (575, 69287), (965, 41285), (1795, 22195), (4439, 8975), (4825, 8257)]