204449600

素因数分解:

$2^6\times 5^2\times {\mathrm{127781}}^1$

素因数の和:127803

約数の個数: 42

約数和(自身を含む): 503077734

約数和(自身を除く): 298628134

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 127781, 255562, 511124, 638905, 1022248, 1277810, 2044496, 2555620, 3194525, 4088992, 5111240, 6389050, 8177984, 10222480, 12778100, 20444960, 25556200, 40889920, 51112400, 102224800, 204449600]

約数ペア:

[(1, 204449600), (2, 102224800), (4, 51112400), (5, 40889920), (8, 25556200), (10, 20444960), (16, 12778100), (20, 10222480), (25, 8177984), (32, 6389050), (40, 5111240), (50, 4088992), (64, 3194525), (80, 2555620), (100, 2044496), (160, 1277810), (200, 1022248), (320, 638905), (400, 511124), (800, 255562), (1600, 127781)]