57678040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{205993}}^1$

素因数の和:206011

約数の個数: 32

約数和(自身を含む): 148315680

約数和(自身を除く): 90637640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 205993, 411986, 823972, 1029965, 1441951, 1647944, 2059930, 2883902, 4119860, 5767804, 7209755, 8239720, 11535608, 14419510, 28839020, 57678040]

約数ペア:

[(1, 57678040), (2, 28839020), (4, 14419510), (5, 11535608), (7, 8239720), (8, 7209755), (10, 5767804), (14, 4119860), (20, 2883902), (28, 2059930), (35, 1647944), (40, 1441951), (56, 1029965), (70, 823972), (140, 411986), (280, 205993)]