1821080

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{859}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 4179600

約数和(自身を除く): 2358520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 859, 1060, 1718, 2120, 3436, 4295, 6872, 8590, 17180, 34360, 45527, 91054, 182108, 227635, 364216, 455270, 910540, 1821080]

約数ペア:

[(1, 1821080), (2, 910540), (4, 455270), (5, 364216), (8, 227635), (10, 182108), (20, 91054), (40, 45527), (53, 34360), (106, 17180), (212, 8590), (265, 6872), (424, 4295), (530, 3436), (859, 2120), (1060, 1718)]