2772920

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{383}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 6289920

約数和(自身を除く): 3517000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 383, 724, 766, 905, 1448, 1532, 1810, 1915, 3064, 3620, 3830, 7240, 7660, 15320, 69323, 138646, 277292, 346615, 554584, 693230, 1386460, 2772920]

約数ペア:

[(1, 2772920), (2, 1386460), (4, 693230), (5, 554584), (8, 346615), (10, 277292), (20, 138646), (40, 69323), (181, 15320), (362, 7660), (383, 7240), (724, 3830), (766, 3620), (905, 3064), (1448, 1915), (1532, 1810)]