68809940

素因数分解:

$2^2\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{2411}}^1$

素因数の和:3847

約数の個数: 24

約数和(自身を含む): 144662112

約数和(自身を除く): 75852172

約数列:

[1, 2, 4, 5, 10, 20, 1427, 2411, 2854, 4822, 5708, 7135, 9644, 12055, 14270, 24110, 28540, 48220, 3440497, 6880994, 13761988, 17202485, 34404970, 68809940]

約数ペア:

[(1, 68809940), (2, 34404970), (4, 17202485), (5, 13761988), (10, 6880994), (20, 3440497), (1427, 48220), (2411, 28540), (2854, 24110), (4822, 14270), (5708, 12055), (7135, 9644)]