249501080

素因数分解:

$2^3\times 5^1\times {\mathrm{6237527}}^1$

素因数の和:6237538

約数の個数: 16

約数和(自身を含む): 561377520

約数和(自身を除く): 311876440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6237527, 12475054, 24950108, 31187635, 49900216, 62375270, 124750540, 249501080]

約数ペア:

[(1, 249501080), (2, 124750540), (4, 62375270), (5, 49900216), (8, 31187635), (10, 24950108), (20, 12475054), (40, 6237527)]