13889920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1973}}^1$

素因数の和:2003

約数の個数: 64

約数和(自身を含む): 36242640

約数和(自身を除く): 22352720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 1973, 3520, 3946, 7040, 7892, 9865, 15784, 19730, 21703, 31568, 39460, 43406, 63136, 78920, 86812, 108515, 126272, 157840, 173624, 217030, 252544, 315680, 347248, 434060, 631360, 694496, 868120, 1262720, 1388992, 1736240, 2777984, 3472480, 6944960, 13889920]

約数ペア:

[(1, 13889920), (2, 6944960), (4, 3472480), (5, 2777984), (8, 1736240), (10, 1388992), (11, 1262720), (16, 868120), (20, 694496), (22, 631360), (32, 434060), (40, 347248), (44, 315680), (55, 252544), (64, 217030), (80, 173624), (88, 157840), (110, 126272), (128, 108515), (160, 86812), (176, 78920), (220, 63136), (320, 43406), (352, 39460), (440, 31568), (640, 21703), (704, 19730), (880, 15784), (1408, 9865), (1760, 7892), (1973, 7040), (3520, 3946)]