13821640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{49363}}^1$

素因数の和:49381

約数の個数: 32

約数和(自身を含む): 35542080

約数和(自身を除く): 21720440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 49363, 98726, 197452, 246815, 345541, 394904, 493630, 691082, 987260, 1382164, 1727705, 1974520, 2764328, 3455410, 6910820, 13821640]

約数ペア:

[(1, 13821640), (2, 6910820), (4, 3455410), (5, 2764328), (7, 1974520), (8, 1727705), (10, 1382164), (14, 987260), (20, 691082), (28, 493630), (35, 394904), (40, 345541), (56, 246815), (70, 197452), (140, 98726), (280, 49363)]