40565915

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 53643888

約数和(自身を除く): 13077973

約数列:

[1, 5, 13, 61, 65, 169, 305, 787, 793, 845, 3935, 3965, 10231, 10309, 48007, 51155, 51545, 133003, 240035, 624091, 665015, 3120455, 8113183, 40565915]

約数ペア:

[(1, 40565915), (5, 8113183), (13, 3120455), (61, 665015), (65, 624091), (169, 240035), (305, 133003), (787, 51545), (793, 51155), (845, 48007), (3935, 10309), (3965, 10231)]