86534680

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{15791}}^1$

素因数の和:15939

約数の個数: 32

約数和(自身を含む): 196136640

約数和(自身を除く): 109601960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 15791, 31582, 63164, 78955, 126328, 157910, 315820, 631640, 2163367, 4326734, 8653468, 10816835, 17306936, 21633670, 43267340, 86534680]

約数ペア:

[(1, 86534680), (2, 43267340), (4, 21633670), (5, 17306936), (8, 10816835), (10, 8653468), (20, 4326734), (40, 2163367), (137, 631640), (274, 315820), (548, 157910), (685, 126328), (1096, 78955), (1370, 63164), (2740, 31582), (5480, 15791)]