212680280

素因数分解:

$2^3\times 5^1\times {\mathrm{5317007}}^1$

素因数の和:5317018

約数の個数: 16

約数和(自身を含む): 478530720

約数和(自身を除く): 265850440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5317007, 10634014, 21268028, 26585035, 42536056, 53170070, 106340140, 212680280]

約数ペア:

[(1, 212680280), (2, 106340140), (4, 53170070), (5, 42536056), (8, 26585035), (10, 21268028), (20, 10634014), (40, 5317007)]