127622800

素因数分解:

$2^4\times 5^2\times {\mathrm{319057}}^1$

素因数の和:319075

約数の個数: 30

約数和(自身を含む): 306614738

約数和(自身を除く): 178991938

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 319057, 638114, 1276228, 1595285, 2552456, 3190570, 5104912, 6381140, 7976425, 12762280, 15952850, 25524560, 31905700, 63811400, 127622800]

約数ペア:

[(1, 127622800), (2, 63811400), (4, 31905700), (5, 25524560), (8, 15952850), (10, 12762280), (16, 7976425), (20, 6381140), (25, 5104912), (40, 3190570), (50, 2552456), (80, 1595285), (100, 1276228), (200, 638114), (400, 319057)]