25420915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3797}}^1$

素因数の和:3918

約数の個数: 16

約数和(自身を含む): 33179328

約数和(自身を除く): 7758413

約数列:

[1, 5, 13, 65, 103, 515, 1339, 3797, 6695, 18985, 49361, 246805, 391091, 1955455, 5084183, 25420915]

約数ペア:

[(1, 25420915), (5, 5084183), (13, 1955455), (65, 391091), (103, 246805), (515, 49361), (1339, 18985), (3797, 6695)]