1263842780

素因数分解:

$2^2\times 5^1\times {\mathrm{6781}}^1\times {\mathrm{9319}}^1$

素因数の和:16109

約数の個数: 24

約数和(自身を含む): 2654746080

約数和(自身を除く): 1390903300

約数列:

[1, 2, 4, 5, 10, 20, 6781, 9319, 13562, 18638, 27124, 33905, 37276, 46595, 67810, 93190, 135620, 186380, 63192139, 126384278, 252768556, 315960695, 631921390, 1263842780]

約数ペア:

[(1, 1263842780), (2, 631921390), (4, 315960695), (5, 252768556), (10, 126384278), (20, 63192139), (6781, 186380), (9319, 135620), (13562, 93190), (18638, 67810), (27124, 46595), (33905, 37276)]