249569080

素因数分解:

$2^3\times 5^1\times {\mathrm{6239227}}^1$

素因数の和:6239238

約数の個数: 16

約数和(自身を含む): 561530520

約数和(自身を除く): 311961440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6239227, 12478454, 24956908, 31196135, 49913816, 62392270, 124784540, 249569080]

約数ペア:

[(1, 249569080), (2, 124784540), (4, 62392270), (5, 49913816), (8, 31196135), (10, 24956908), (20, 12478454), (40, 6239227)]