99508720

素因数分解:

$2^4\times 5^1\times {\mathrm{1243859}}^1$

素因数の和:1243872

約数の個数: 20

約数和(自身を含む): 231357960

約数和(自身を除く): 131849240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1243859, 2487718, 4975436, 6219295, 9950872, 12438590, 19901744, 24877180, 49754360, 99508720]

約数ペア:

[(1, 99508720), (2, 49754360), (4, 24877180), (5, 19901744), (8, 12438590), (10, 9950872), (16, 6219295), (20, 4975436), (40, 2487718), (80, 1243859)]