40370090

素因数分解:

$2^1\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{4001}}^1$

素因数の和:5017

約数の個数: 16

約数和(自身を含む): 72756360

約数和(自身を除く): 32386270

約数列:

[1, 2, 5, 10, 1009, 2018, 4001, 5045, 8002, 10090, 20005, 40010, 4037009, 8074018, 20185045, 40370090]

約数ペア:

[(1, 40370090), (2, 20185045), (5, 8074018), (10, 4037009), (1009, 40010), (2018, 20005), (4001, 10090), (5045, 8002)]