61386640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109619}}^1$

素因数の和:109639

約数の個数: 40

約数和(自身を含む): 163114560

約数和(自身を除く): 101727920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 109619, 219238, 438476, 548095, 767333, 876952, 1096190, 1534666, 1753904, 2192380, 3069332, 3836665, 4384760, 6138664, 7673330, 8769520, 12277328, 15346660, 30693320, 61386640]

約数ペア:

[(1, 61386640), (2, 30693320), (4, 15346660), (5, 12277328), (7, 8769520), (8, 7673330), (10, 6138664), (14, 4384760), (16, 3836665), (20, 3069332), (28, 2192380), (35, 1753904), (40, 1534666), (56, 1096190), (70, 876952), (80, 767333), (112, 548095), (140, 438476), (280, 219238), (560, 109619)]