89028440

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{3221}}^1$

素因数の和:3923

約数の個数: 32

約数和(自身を含む): 200666160

約数和(自身を除く): 111637720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2764, 3221, 3455, 5528, 6442, 6910, 12884, 13820, 16105, 25768, 27640, 32210, 64420, 128840, 2225711, 4451422, 8902844, 11128555, 17805688, 22257110, 44514220, 89028440]

約数ペア:

[(1, 89028440), (2, 44514220), (4, 22257110), (5, 17805688), (8, 11128555), (10, 8902844), (20, 4451422), (40, 2225711), (691, 128840), (1382, 64420), (2764, 32210), (3221, 27640), (3455, 25768), (5528, 16105), (6442, 13820), (6910, 12884)]