1259596880

素因数分解:

$2^4\times 5^1\times {\mathrm{15744961}}^1$

素因数の和:15744974

約数の個数: 20

約数和(自身を含む): 2928562932

約数和(自身を除く): 1668966052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15744961, 31489922, 62979844, 78724805, 125959688, 157449610, 251919376, 314899220, 629798440, 1259596880]

約数ペア:

[(1, 1259596880), (2, 629798440), (4, 314899220), (5, 251919376), (8, 157449610), (10, 125959688), (16, 78724805), (20, 62979844), (40, 31489922), (80, 15744961)]