13261400

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 31367040

約数和(自身を除く): 18105640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1087, 1220, 1525, 2174, 2440, 3050, 4348, 5435, 6100, 8696, 10870, 12200, 21740, 27175, 43480, 54350, 66307, 108700, 132614, 217400, 265228, 331535, 530456, 663070, 1326140, 1657675, 2652280, 3315350, 6630700, 13261400]

約数ペア:

[(1, 13261400), (2, 6630700), (4, 3315350), (5, 2652280), (8, 1657675), (10, 1326140), (20, 663070), (25, 530456), (40, 331535), (50, 265228), (61, 217400), (100, 132614), (122, 108700), (200, 66307), (244, 54350), (305, 43480), (488, 27175), (610, 21740), (1087, 12200), (1220, 10870), (1525, 8696), (2174, 6100), (2440, 5435), (3050, 4348)]