12806780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5381}}^1$

素因数の和:5414

約数の個数: 48

約数和(自身を含む): 32550336

約数和(自身を除く): 19743556

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 5381, 10762, 21524, 26905, 37667, 53810, 75334, 91477, 107620, 150668, 182954, 188335, 365908, 376670, 457385, 640339, 753340, 914770, 1280678, 1829540, 2561356, 3201695, 6403390, 12806780]

約数ペア:

[(1, 12806780), (2, 6403390), (4, 3201695), (5, 2561356), (7, 1829540), (10, 1280678), (14, 914770), (17, 753340), (20, 640339), (28, 457385), (34, 376670), (35, 365908), (68, 188335), (70, 182954), (85, 150668), (119, 107620), (140, 91477), (170, 75334), (238, 53810), (340, 37667), (476, 26905), (595, 21524), (1190, 10762), (2380, 5381)]