66804080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{119293}}^1$

素因数の和:119313

約数の個数: 40

約数和(自身を含む): 177509472

約数和(自身を除く): 110705392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 119293, 238586, 477172, 596465, 835051, 954344, 1192930, 1670102, 1908688, 2385860, 3340204, 4175255, 4771720, 6680408, 8350510, 9543440, 13360816, 16701020, 33402040, 66804080]

約数ペア:

[(1, 66804080), (2, 33402040), (4, 16701020), (5, 13360816), (7, 9543440), (8, 8350510), (10, 6680408), (14, 4771720), (16, 4175255), (20, 3340204), (28, 2385860), (35, 1908688), (40, 1670102), (56, 1192930), (70, 954344), (80, 835051), (112, 596465), (140, 477172), (280, 238586), (560, 119293)]