1259796880

素因数分解:

$2^4\times 5^1\times {\mathrm{15747461}}^1$

素因数の和:15747474

約数の個数: 20

約数和(自身を含む): 2929027932

約数和(自身を除く): 1669231052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15747461, 31494922, 62989844, 78737305, 125979688, 157474610, 251959376, 314949220, 629898440, 1259796880]

約数ペア:

[(1, 1259796880), (2, 629898440), (4, 314949220), (5, 251959376), (8, 157474610), (10, 125979688), (16, 78737305), (20, 62989844), (40, 31494922), (80, 15747461)]