13380667840

素因数分解:

$2^6\times 5^1\times {\mathrm{1777}}^1\times {\mathrm{23531}}^1$

素因数の和:25325

約数の個数: 56

約数和(自身を含む): 31882000752

約数和(自身を除く): 18501332912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1777, 3554, 7108, 8885, 14216, 17770, 23531, 28432, 35540, 47062, 56864, 71080, 94124, 113728, 117655, 142160, 188248, 235310, 284320, 376496, 470620, 568640, 752992, 941240, 1505984, 1882480, 3764960, 7529920, 41814587, 83629174, 167258348, 209072935, 334516696, 418145870, 669033392, 836291740, 1338066784, 1672583480, 2676133568, 3345166960, 6690333920, 13380667840]

約数ペア:

[(1, 13380667840), (2, 6690333920), (4, 3345166960), (5, 2676133568), (8, 1672583480), (10, 1338066784), (16, 836291740), (20, 669033392), (32, 418145870), (40, 334516696), (64, 209072935), (80, 167258348), (160, 83629174), (320, 41814587), (1777, 7529920), (3554, 3764960), (7108, 1882480), (8885, 1505984), (14216, 941240), (17770, 752992), (23531, 568640), (28432, 470620), (35540, 376496), (47062, 284320), (56864, 235310), (71080, 188248), (94124, 142160), (113728, 117655)]