13340960

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:633

約数の個数: 48

約数和(自身を含む): 31752000

約数和(自身を除く): 18411040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 419, 796, 838, 995, 1592, 1676, 1990, 2095, 3184, 3352, 3980, 4190, 6368, 6704, 7960, 8380, 13408, 15920, 16760, 31840, 33520, 67040, 83381, 166762, 333524, 416905, 667048, 833810, 1334096, 1667620, 2668192, 3335240, 6670480, 13340960]

約数ペア:

[(1, 13340960), (2, 6670480), (4, 3335240), (5, 2668192), (8, 1667620), (10, 1334096), (16, 833810), (20, 667048), (32, 416905), (40, 333524), (80, 166762), (160, 83381), (199, 67040), (398, 33520), (419, 31840), (796, 16760), (838, 15920), (995, 13408), (1592, 8380), (1676, 7960), (1990, 6704), (2095, 6368), (3184, 4190), (3352, 3980)]