27977140

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1973}}^1$

素因数の和:2691

約数の個数: 24

約数和(自身を含む): 58864680

約数和(自身を除く): 30887540

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 1973, 2836, 3545, 3946, 7090, 7892, 9865, 14180, 19730, 39460, 1398857, 2797714, 5595428, 6994285, 13988570, 27977140]

約数ペア:

[(1, 27977140), (2, 13988570), (4, 6994285), (5, 5595428), (10, 2797714), (20, 1398857), (709, 39460), (1418, 19730), (1973, 14180), (2836, 9865), (3545, 7892), (3946, 7090)]