80426360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{287237}}^1$

素因数の和:287255

約数の個数: 32

約数和(自身を含む): 206811360

約数和(自身を除く): 126385000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 287237, 574474, 1148948, 1436185, 2010659, 2297896, 2872370, 4021318, 5744740, 8042636, 10053295, 11489480, 16085272, 20106590, 40213180, 80426360]

約数ペア:

[(1, 80426360), (2, 40213180), (4, 20106590), (5, 16085272), (7, 11489480), (8, 10053295), (10, 8042636), (14, 5744740), (20, 4021318), (28, 2872370), (35, 2297896), (40, 2010659), (56, 1436185), (70, 1148948), (140, 574474), (280, 287237)]