78436220

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{8053}}^1$

素因数の和:8549

約数の個数: 24

約数和(自身を含む): 165074784

約数和(自身を除く): 86638564

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 8053, 9740, 16106, 32212, 40265, 80530, 161060, 3921811, 7843622, 15687244, 19609055, 39218110, 78436220]

約数ペア:

[(1, 78436220), (2, 39218110), (4, 19609055), (5, 15687244), (10, 7843622), (20, 3921811), (487, 161060), (974, 80530), (1948, 40265), (2435, 32212), (4870, 16106), (8053, 9740)]