40538090

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{9629}}^1$

素因数の和:10057

約数の個数: 16

約数和(自身を含む): 73149480

約数和(自身を除く): 32611390

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 9629, 19258, 48145, 96290, 4053809, 8107618, 20269045, 40538090]

約数ペア:

[(1, 40538090), (2, 20269045), (5, 8107618), (10, 4053809), (421, 96290), (842, 48145), (2105, 19258), (4210, 9629)]