2164180

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{449}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 4573800

約数和(自身を除く): 2409620

約数列:

[1, 2, 4, 5, 10, 20, 241, 449, 482, 898, 964, 1205, 1796, 2245, 2410, 4490, 4820, 8980, 108209, 216418, 432836, 541045, 1082090, 2164180]

約数ペア:

[(1, 2164180), (2, 1082090), (4, 541045), (5, 432836), (10, 216418), (20, 108209), (241, 8980), (449, 4820), (482, 4490), (898, 2410), (964, 2245), (1205, 1796)]