55780580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{811}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 124138560

約数和(自身を除く): 68357980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 362, 380, 724, 811, 905, 1622, 1810, 3244, 3439, 3620, 4055, 6878, 8110, 13756, 15409, 16220, 17195, 30818, 34390, 61636, 68780, 77045, 146791, 154090, 293582, 308180, 587164, 733955, 1467910, 2789029, 2935820, 5578058, 11156116, 13945145, 27890290, 55780580]

約数ペア:

[(1, 55780580), (2, 27890290), (4, 13945145), (5, 11156116), (10, 5578058), (19, 2935820), (20, 2789029), (38, 1467910), (76, 733955), (95, 587164), (181, 308180), (190, 293582), (362, 154090), (380, 146791), (724, 77045), (811, 68780), (905, 61636), (1622, 34390), (1810, 30818), (3244, 17195), (3439, 16220), (3620, 15409), (4055, 13756), (6878, 8110)]