81214360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{106861}}^1$

素因数の和:106891

約数の個数: 32

約数和(自身を含む): 192351600

約数和(自身を除く): 111137240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 106861, 213722, 427444, 534305, 854888, 1068610, 2030359, 2137220, 4060718, 4274440, 8121436, 10151795, 16242872, 20303590, 40607180, 81214360]

約数ペア:

[(1, 81214360), (2, 40607180), (4, 20303590), (5, 16242872), (8, 10151795), (10, 8121436), (19, 4274440), (20, 4060718), (38, 2137220), (40, 2030359), (76, 1068610), (95, 854888), (152, 534305), (190, 427444), (380, 213722), (760, 106861)]