858005080

素因数分解:

$2^3\times 5^1\times {\mathrm{2003}}^1\times {\mathrm{10709}}^1$

素因数の和:12723

約数の個数: 32

約数和(自身を含む): 1931655600

約数和(自身を除く): 1073650520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2003, 4006, 8012, 10015, 10709, 16024, 20030, 21418, 40060, 42836, 53545, 80120, 85672, 107090, 214180, 428360, 21450127, 42900254, 85800508, 107250635, 171601016, 214501270, 429002540, 858005080]

約数ペア:

[(1, 858005080), (2, 429002540), (4, 214501270), (5, 171601016), (8, 107250635), (10, 85800508), (20, 42900254), (40, 21450127), (2003, 428360), (4006, 214180), (8012, 107090), (10015, 85672), (10709, 80120), (16024, 53545), (20030, 42836), (21418, 40060)]