12771550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{2111}}^1$

素因数の和:2145

約数の個数: 36

約数和(自身を含む): 26123328

約数和(自身を除く): 13351778

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 1210, 2111, 3025, 4222, 6050, 10555, 21110, 23221, 46442, 52775, 105550, 116105, 232210, 255431, 510862, 580525, 1161050, 1277155, 2554310, 6385775, 12771550]

約数ペア:

[(1, 12771550), (2, 6385775), (5, 2554310), (10, 1277155), (11, 1161050), (22, 580525), (25, 510862), (50, 255431), (55, 232210), (110, 116105), (121, 105550), (242, 52775), (275, 46442), (550, 23221), (605, 21110), (1210, 10555), (2111, 6050), (3025, 4222)]