85713140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{138247}}^1$

素因数の和:138287

約数の個数: 24

約数和(自身を含む): 185805312

約数和(自身を除く): 100092172

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 138247, 276494, 552988, 691235, 1382470, 2764940, 4285657, 8571314, 17142628, 21428285, 42856570, 85713140]

約数ペア:

[(1, 85713140), (2, 42856570), (4, 21428285), (5, 17142628), (10, 8571314), (20, 4285657), (31, 2764940), (62, 1382470), (124, 691235), (155, 552988), (310, 276494), (620, 138247)]