67188280

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4231}}^1$

素因数の和:4639

約数の個数: 32

約数和(自身を含む): 151590240

約数和(自身を除く): 84401960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 4231, 7940, 8462, 15880, 16924, 21155, 33848, 42310, 84620, 169240, 1679707, 3359414, 6718828, 8398535, 13437656, 16797070, 33594140, 67188280]

約数ペア:

[(1, 67188280), (2, 33594140), (4, 16797070), (5, 13437656), (8, 8398535), (10, 6718828), (20, 3359414), (40, 1679707), (397, 169240), (794, 84620), (1588, 42310), (1985, 33848), (3176, 21155), (3970, 16924), (4231, 15880), (7940, 8462)]