87860320

素因数分解:

$2^5\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1223}}^1$

素因数の和:1687

約数の個数: 48

約数和(自身を含む): 208202400

約数和(自身を除く): 120342080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 449, 898, 1223, 1796, 2245, 2446, 3592, 4490, 4892, 6115, 7184, 8980, 9784, 12230, 14368, 17960, 19568, 24460, 35920, 39136, 48920, 71840, 97840, 195680, 549127, 1098254, 2196508, 2745635, 4393016, 5491270, 8786032, 10982540, 17572064, 21965080, 43930160, 87860320]

約数ペア:

[(1, 87860320), (2, 43930160), (4, 21965080), (5, 17572064), (8, 10982540), (10, 8786032), (16, 5491270), (20, 4393016), (32, 2745635), (40, 2196508), (80, 1098254), (160, 549127), (449, 195680), (898, 97840), (1223, 71840), (1796, 48920), (2245, 39136), (2446, 35920), (3592, 24460), (4490, 19568), (4892, 17960), (6115, 14368), (7184, 12230), (8980, 9784)]