12620645

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:532

約数の個数: 16

約数和(自身を含む): 15552000

約数和(自身を除く): 2931355

約数列:

[1, 5, 79, 89, 359, 395, 445, 1795, 7031, 28361, 31951, 35155, 141805, 159755, 2524129, 12620645]

約数ペア:

[(1, 12620645), (5, 2524129), (79, 159755), (89, 141805), (359, 35155), (395, 31951), (445, 28361), (1795, 7031)]