30696040

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1933}}^1$

素因数の和:2341

約数の個数: 32

約数和(自身を含む): 69275880

約数和(自身を除く): 38579840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1933, 1985, 3176, 3866, 3970, 7732, 7940, 9665, 15464, 15880, 19330, 38660, 77320, 767401, 1534802, 3069604, 3837005, 6139208, 7674010, 15348020, 30696040]

約数ペア:

[(1, 30696040), (2, 15348020), (4, 7674010), (5, 6139208), (8, 3837005), (10, 3069604), (20, 1534802), (40, 767401), (397, 77320), (794, 38660), (1588, 19330), (1933, 15880), (1985, 15464), (3176, 9665), (3866, 7940), (3970, 7732)]