22857160

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4111}}^1$

素因数の和:4261

約数の個数: 32

約数和(自身を含む): 51811200

約数和(自身を除く): 28954040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 4111, 5560, 8222, 16444, 20555, 32888, 41110, 82220, 164440, 571429, 1142858, 2285716, 2857145, 4571432, 5714290, 11428580, 22857160]

約数ペア:

[(1, 22857160), (2, 11428580), (4, 5714290), (5, 4571432), (8, 2857145), (10, 2285716), (20, 1142858), (40, 571429), (139, 164440), (278, 82220), (556, 41110), (695, 32888), (1112, 20555), (1390, 16444), (2780, 8222), (4111, 5560)]