40780555

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 53856000

約数和(自身を除く): 13075445

約数列:

[1, 5, 19, 43, 67, 95, 149, 215, 335, 745, 817, 1273, 2831, 2881, 4085, 6365, 6407, 9983, 14155, 14405, 32035, 49915, 54739, 121733, 189677, 273695, 429269, 608665, 948385, 2146345, 8156111, 40780555]

約数ペア:

[(1, 40780555), (5, 8156111), (19, 2146345), (43, 948385), (67, 608665), (95, 429269), (149, 273695), (215, 189677), (335, 121733), (745, 54739), (817, 49915), (1273, 32035), (2831, 14405), (2881, 14155), (4085, 9983), (6365, 6407)]