86181520

素因数分解:

$2^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1559}}^1$

素因数の和:2263

約数の個数: 40

約数和(自身を含む): 200790720

約数和(自身を除く): 114609200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691, 1382, 1559, 2764, 3118, 3455, 5528, 6236, 6910, 7795, 11056, 12472, 13820, 15590, 24944, 27640, 31180, 55280, 62360, 124720, 1077269, 2154538, 4309076, 5386345, 8618152, 10772690, 17236304, 21545380, 43090760, 86181520]

約数ペア:

[(1, 86181520), (2, 43090760), (4, 21545380), (5, 17236304), (8, 10772690), (10, 8618152), (16, 5386345), (20, 4309076), (40, 2154538), (80, 1077269), (691, 124720), (1382, 62360), (1559, 55280), (2764, 31180), (3118, 27640), (3455, 24944), (5528, 15590), (6236, 13820), (6910, 12472), (7795, 11056)]