66880225

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{919}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 86244480

約数和(自身を除く): 19364255

約数列:

[1, 5, 25, 41, 71, 205, 355, 919, 1025, 1775, 2911, 4595, 14555, 22975, 37679, 65249, 72775, 188395, 326245, 941975, 1631225, 2675209, 13376045, 66880225]

約数ペア:

[(1, 66880225), (5, 13376045), (25, 2675209), (41, 1631225), (71, 941975), (205, 326245), (355, 188395), (919, 72775), (1025, 65249), (1775, 37679), (2911, 22975), (4595, 14555)]