989851160

素因数分解:

$2^3\times 5^1\times {\mathrm{3823}}^1\times {\mathrm{6473}}^1$

素因数の和:10307

約数の個数: 32

約数和(自身を含む): 2228091840

約数和(自身を除く): 1238240680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3823, 6473, 7646, 12946, 15292, 19115, 25892, 30584, 32365, 38230, 51784, 64730, 76460, 129460, 152920, 258920, 24746279, 49492558, 98985116, 123731395, 197970232, 247462790, 494925580, 989851160]

約数ペア:

[(1, 989851160), (2, 494925580), (4, 247462790), (5, 197970232), (8, 123731395), (10, 98985116), (20, 49492558), (40, 24746279), (3823, 258920), (6473, 152920), (7646, 129460), (12946, 76460), (15292, 64730), (19115, 51784), (25892, 38230), (30584, 32365)]