40394590

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{21149}}^1$

素因数の和:21347

約数の個数: 16

約数和(自身を含む): 73094400

約数和(自身を除く): 32699810

約数列:

[1, 2, 5, 10, 191, 382, 955, 1910, 21149, 42298, 105745, 211490, 4039459, 8078918, 20197295, 40394590]

約数ペア:

[(1, 40394590), (2, 20197295), (5, 8078918), (10, 4039459), (191, 211490), (382, 105745), (955, 42298), (1910, 21149)]