12542000

素因数分解:

$2^4\times 5^3\times {\mathrm{6271}}^1$

素因数の和:6294

約数の個数: 40

約数和(自身を含む): 30331392

約数和(自身を除く): 17789392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 6271, 12542, 25084, 31355, 50168, 62710, 100336, 125420, 156775, 250840, 313550, 501680, 627100, 783875, 1254200, 1567750, 2508400, 3135500, 6271000, 12542000]

約数ペア:

[(1, 12542000), (2, 6271000), (4, 3135500), (5, 2508400), (8, 1567750), (10, 1254200), (16, 783875), (20, 627100), (25, 501680), (40, 313550), (50, 250840), (80, 156775), (100, 125420), (125, 100336), (200, 62710), (250, 50168), (400, 31355), (500, 25084), (1000, 12542), (2000, 6271)]