80825965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 110097792

約数和(自身を除く): 29271827

約数列:

[1, 5, 11, 41, 55, 73, 205, 365, 451, 491, 803, 2255, 2455, 2993, 4015, 5401, 14965, 20131, 27005, 32923, 35843, 100655, 164615, 179215, 221441, 394273, 1107205, 1469563, 1971365, 7347815, 16165193, 80825965]

約数ペア:

[(1, 80825965), (5, 16165193), (11, 7347815), (41, 1971365), (55, 1469563), (73, 1107205), (205, 394273), (365, 221441), (451, 179215), (491, 164615), (803, 100655), (2255, 35843), (2455, 32923), (2993, 27005), (4015, 20131), (5401, 14965)]