66435820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{971}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 152845056

約数和(自身を除く): 86409236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 311, 622, 971, 1244, 1555, 1942, 3110, 3421, 3884, 4855, 6220, 6842, 9710, 10681, 13684, 17105, 19420, 21362, 34210, 42724, 53405, 68420, 106810, 213620, 301981, 603962, 1207924, 1509905, 3019810, 3321791, 6039620, 6643582, 13287164, 16608955, 33217910, 66435820]

約数ペア:

[(1, 66435820), (2, 33217910), (4, 16608955), (5, 13287164), (10, 6643582), (11, 6039620), (20, 3321791), (22, 3019810), (44, 1509905), (55, 1207924), (110, 603962), (220, 301981), (311, 213620), (622, 106810), (971, 68420), (1244, 53405), (1555, 42724), (1942, 34210), (3110, 21362), (3421, 19420), (3884, 17105), (4855, 13684), (6220, 10681), (6842, 9710)]