38820880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{383}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 103993344

約数和(自身を除く): 65172464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 181, 280, 362, 383, 560, 724, 766, 905, 1267, 1448, 1532, 1810, 1915, 2534, 2681, 2896, 3064, 3620, 3830, 5068, 5362, 6128, 6335, 7240, 7660, 10136, 10724, 12670, 13405, 14480, 15320, 20272, 21448, 25340, 26810, 30640, 42896, 50680, 53620, 69323, 101360, 107240, 138646, 214480, 277292, 346615, 485261, 554584, 693230, 970522, 1109168, 1386460, 1941044, 2426305, 2772920, 3882088, 4852610, 5545840, 7764176, 9705220, 19410440, 38820880]

約数ペア:

[(1, 38820880), (2, 19410440), (4, 9705220), (5, 7764176), (7, 5545840), (8, 4852610), (10, 3882088), (14, 2772920), (16, 2426305), (20, 1941044), (28, 1386460), (35, 1109168), (40, 970522), (56, 693230), (70, 554584), (80, 485261), (112, 346615), (140, 277292), (181, 214480), (280, 138646), (362, 107240), (383, 101360), (560, 69323), (724, 53620), (766, 50680), (905, 42896), (1267, 30640), (1448, 26810), (1532, 25340), (1810, 21448), (1915, 20272), (2534, 15320), (2681, 14480), (2896, 13405), (3064, 12670), (3620, 10724), (3830, 10136), (5068, 7660), (5362, 7240), (6128, 6335)]