70731880

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3631}}^1$

素因数の和:4129

約数の個数: 32

約数和(自身を含む): 159517440

約数和(自身を除く): 88785560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3631, 3896, 4870, 7262, 9740, 14524, 18155, 19480, 29048, 36310, 72620, 145240, 1768297, 3536594, 7073188, 8841485, 14146376, 17682970, 35365940, 70731880]

約数ペア:

[(1, 70731880), (2, 35365940), (4, 17682970), (5, 14146376), (8, 8841485), (10, 7073188), (20, 3536594), (40, 1768297), (487, 145240), (974, 72620), (1948, 36310), (2435, 29048), (3631, 19480), (3896, 18155), (4870, 14524), (7262, 9740)]