203438080

素因数分解:

$2^{11}\times 5^1\times {\mathrm{19867}}^1$

素因数の和:19894

約数の個数: 48

約数和(自身を含む): 488156760

約数和(自身を除く): 284718680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 19867, 39734, 79468, 99335, 158936, 198670, 317872, 397340, 635744, 794680, 1271488, 1589360, 2542976, 3178720, 5085952, 6357440, 10171904, 12714880, 20343808, 25429760, 40687616, 50859520, 101719040, 203438080]

約数ペア:

[(1, 203438080), (2, 101719040), (4, 50859520), (5, 40687616), (8, 25429760), (10, 20343808), (16, 12714880), (20, 10171904), (32, 6357440), (40, 5085952), (64, 3178720), (80, 2542976), (128, 1589360), (160, 1271488), (256, 794680), (320, 635744), (512, 397340), (640, 317872), (1024, 198670), (1280, 158936), (2048, 99335), (2560, 79468), (5120, 39734), (10240, 19867)]