9999940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21739}}^1$

素因数の和:21771

約数の個数: 24

約数和(自身を含む): 21913920

約数和(自身を除く): 11913980

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 21739, 43478, 86956, 108695, 217390, 434780, 499997, 999994, 1999988, 2499985, 4999970, 9999940]

約数ペア:

[(1, 9999940), (2, 4999970), (4, 2499985), (5, 1999988), (10, 999994), (20, 499997), (23, 434780), (46, 217390), (92, 108695), (115, 86956), (230, 43478), (460, 21739)]