55643020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{809}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 123832800

約数和(自身を除く): 68189780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 362, 380, 724, 809, 905, 1618, 1810, 3236, 3439, 3620, 4045, 6878, 8090, 13756, 15371, 16180, 17195, 30742, 34390, 61484, 68780, 76855, 146429, 153710, 292858, 307420, 585716, 732145, 1464290, 2782151, 2928580, 5564302, 11128604, 13910755, 27821510, 55643020]

約数ペア:

[(1, 55643020), (2, 27821510), (4, 13910755), (5, 11128604), (10, 5564302), (19, 2928580), (20, 2782151), (38, 1464290), (76, 732145), (95, 585716), (181, 307420), (190, 292858), (362, 153710), (380, 146429), (724, 76855), (809, 68780), (905, 61484), (1618, 34390), (1810, 30742), (3236, 17195), (3439, 16180), (3620, 15371), (4045, 13756), (6878, 8090)]