80474672

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{116969}}^1$

素因数の和:117020

約数の個数: 20

約数和(自身を含む): 159547080

約数和(自身を除く): 79072408

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 116969, 233938, 467876, 935752, 1871504, 5029667, 10059334, 20118668, 40237336, 80474672]

約数ペア:

[(1, 80474672), (2, 40237336), (4, 20118668), (8, 10059334), (16, 5029667), (43, 1871504), (86, 935752), (172, 467876), (344, 233938), (688, 116969)]