8739698920

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{493211}}^1$

素因数の和:493665

約数の個数: 32

約数和(自身を含む): 19708751520

約数和(自身を除く): 10969052600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4430, 8860, 17720, 493211, 986422, 1972844, 2466055, 3945688, 4932110, 9864220, 19728440, 218492473, 436984946, 873969892, 1092462365, 1747939784, 2184924730, 4369849460, 8739698920]

約数ペア:

[(1, 8739698920), (2, 4369849460), (4, 2184924730), (5, 1747939784), (8, 1092462365), (10, 873969892), (20, 436984946), (40, 218492473), (443, 19728440), (886, 9864220), (1772, 4932110), (2215, 3945688), (3544, 2466055), (4430, 1972844), (8860, 986422), (17720, 493211)]