8200205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 11557728

約数和(自身を除く): 3357523

約数列:

[1, 5, 13, 17, 41, 65, 85, 181, 205, 221, 533, 697, 905, 1105, 2353, 2665, 3077, 3485, 7421, 9061, 11765, 15385, 37105, 40001, 45305, 96473, 126157, 200005, 482365, 630785, 1640041, 8200205]

約数ペア:

[(1, 8200205), (5, 1640041), (13, 630785), (17, 482365), (41, 200005), (65, 126157), (85, 96473), (181, 45305), (205, 40001), (221, 37105), (533, 15385), (697, 11765), (905, 9061), (1105, 7421), (2353, 3485), (2665, 3077)]