12420005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1753}}^1$

素因数の和:1880

約数の個数: 16

約数和(自身を含む): 16206960

約数和(自身を除く): 3786955

約数列:

[1, 5, 13, 65, 109, 545, 1417, 1753, 7085, 8765, 22789, 113945, 191077, 955385, 2484001, 12420005]

約数ペア:

[(1, 12420005), (5, 2484001), (13, 955385), (65, 191077), (109, 113945), (545, 22789), (1417, 8765), (1753, 7085)]