77442640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{88003}}^1$

素因数の和:88027

約数の個数: 40

約数和(自身を含む): 196424928

約数和(自身を除く): 118982288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 88003, 176006, 352012, 440015, 704024, 880030, 968033, 1408048, 1760060, 1936066, 3520120, 3872132, 4840165, 7040240, 7744264, 9680330, 15488528, 19360660, 38721320, 77442640]

約数ペア:

[(1, 77442640), (2, 38721320), (4, 19360660), (5, 15488528), (8, 9680330), (10, 7744264), (11, 7040240), (16, 4840165), (20, 3872132), (22, 3520120), (40, 1936066), (44, 1760060), (55, 1408048), (80, 968033), (88, 880030), (110, 704024), (176, 440015), (220, 352012), (440, 176006), (880, 88003)]