27109780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1087}}^1$

素因数の和:1168

約数の個数: 48

約数和(自身を含む): 60318720

約数和(自身を除く): 33208940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 860, 1087, 1247, 2174, 2494, 4348, 4988, 5435, 6235, 10870, 12470, 21740, 24940, 31523, 46741, 63046, 93482, 126092, 157615, 186964, 233705, 315230, 467410, 630460, 934820, 1355489, 2710978, 5421956, 6777445, 13554890, 27109780]

約数ペア:

[(1, 27109780), (2, 13554890), (4, 6777445), (5, 5421956), (10, 2710978), (20, 1355489), (29, 934820), (43, 630460), (58, 467410), (86, 315230), (116, 233705), (145, 186964), (172, 157615), (215, 126092), (290, 93482), (430, 63046), (580, 46741), (860, 31523), (1087, 24940), (1247, 21740), (2174, 12470), (2494, 10870), (4348, 6235), (4988, 5435)]