85039940

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{8731}}^1$

素因数の和:9227

約数の個数: 24

約数和(自身を含む): 178971072

約数和(自身を除く): 93931132

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 8731, 9740, 17462, 34924, 43655, 87310, 174620, 4251997, 8503994, 17007988, 21259985, 42519970, 85039940]

約数ペア:

[(1, 85039940), (2, 42519970), (4, 21259985), (5, 17007988), (10, 8503994), (20, 4251997), (487, 174620), (974, 87310), (1948, 43655), (2435, 34924), (4870, 17462), (8731, 9740)]