31504940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{68489}}^1$

素因数の和:68521

約数の個数: 24

約数和(自身を含む): 69037920

約数和(自身を除く): 37532980

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 68489, 136978, 273956, 342445, 684890, 1369780, 1575247, 3150494, 6300988, 7876235, 15752470, 31504940]

約数ペア:

[(1, 31504940), (2, 15752470), (4, 7876235), (5, 6300988), (10, 3150494), (20, 1575247), (23, 1369780), (46, 684890), (92, 342445), (115, 273956), (230, 136978), (460, 68489)]