86871640

素因数分解:

$2^3\times 5^1\times {\mathrm{1093}}^1\times {\mathrm{1987}}^1$

素因数の和:3091

約数の個数: 32

約数和(自身を含む): 195738480

約数和(自身を除く): 108866840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1093, 1987, 2186, 3974, 4372, 5465, 7948, 8744, 9935, 10930, 15896, 19870, 21860, 39740, 43720, 79480, 2171791, 4343582, 8687164, 10858955, 17374328, 21717910, 43435820, 86871640]

約数ペア:

[(1, 86871640), (2, 43435820), (4, 21717910), (5, 17374328), (8, 10858955), (10, 8687164), (20, 4343582), (40, 2171791), (1093, 79480), (1987, 43720), (2186, 39740), (3974, 21860), (4372, 19870), (5465, 15896), (7948, 10930), (8744, 9935)]