39328280

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4409}}^1$

素因数の和:4643

約数の個数: 32

約数和(自身を含む): 88905600

約数和(自身を除く): 49577320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4409, 4460, 8818, 8920, 17636, 22045, 35272, 44090, 88180, 176360, 983207, 1966414, 3932828, 4916035, 7865656, 9832070, 19664140, 39328280]

約数ペア:

[(1, 39328280), (2, 19664140), (4, 9832070), (5, 7865656), (8, 4916035), (10, 3932828), (20, 1966414), (40, 983207), (223, 176360), (446, 88180), (892, 44090), (1115, 35272), (1784, 22045), (2230, 17636), (4409, 8920), (4460, 8818)]