25781730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66107}}^1$

素因数の和:66130

約数の個数: 32

約数和(自身を含む): 66636864

約数和(自身を除く): 40855134

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 66107, 132214, 198321, 330535, 396642, 661070, 859391, 991605, 1718782, 1983210, 2578173, 4296955, 5156346, 8593910, 12890865, 25781730]

約数ペア:

[(1, 25781730), (2, 12890865), (3, 8593910), (5, 5156346), (6, 4296955), (10, 2578173), (13, 1983210), (15, 1718782), (26, 991605), (30, 859391), (39, 661070), (65, 396642), (78, 330535), (130, 198321), (195, 132214), (390, 66107)]