137796280

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{26297}}^1$

素因数の和:26439

約数の個数: 32

約数和(自身を含む): 312420240

約数和(自身を除く): 174623960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 26297, 52594, 105188, 131485, 210376, 262970, 525940, 1051880, 3444907, 6889814, 13779628, 17224535, 27559256, 34449070, 68898140, 137796280]

約数ペア:

[(1, 137796280), (2, 68898140), (4, 34449070), (5, 27559256), (8, 17224535), (10, 13779628), (20, 6889814), (40, 3444907), (131, 1051880), (262, 525940), (524, 262970), (655, 210376), (1048, 131485), (1310, 105188), (2620, 52594), (5240, 26297)]