77921120

素因数分解:

$2^5\times 5^1\times {\mathrm{487007}}^1$

素因数の和:487022

約数の個数: 24

約数和(自身を含む): 184089024

約数和(自身を除く): 106167904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 487007, 974014, 1948028, 2435035, 3896056, 4870070, 7792112, 9740140, 15584224, 19480280, 38960560, 77921120]

約数ペア:

[(1, 77921120), (2, 38960560), (4, 19480280), (5, 15584224), (8, 9740140), (10, 7792112), (16, 4870070), (20, 3896056), (32, 2435035), (40, 1948028), (80, 974014), (160, 487007)]