201912320

素因数分解:

$2^{12}\times 5^1\times {\mathrm{9859}}^1$

素因数の和:9888

約数の個数: 52

約数和(自身を含む): 484579560

約数和(自身を除く): 282667240

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, 4096, 5120, 9859, 10240, 19718, 20480, 39436, 49295, 78872, 98590, 157744, 197180, 315488, 394360, 630976, 788720, 1261952, 1577440, 2523904, 3154880, 5047808, 6309760, 10095616, 12619520, 20191232, 25239040, 40382464, 50478080, 100956160, 201912320]

約数ペア:

[(1, 201912320), (2, 100956160), (4, 50478080), (5, 40382464), (8, 25239040), (10, 20191232), (16, 12619520), (20, 10095616), (32, 6309760), (40, 5047808), (64, 3154880), (80, 2523904), (128, 1577440), (160, 1261952), (256, 788720), (320, 630976), (512, 394360), (640, 315488), (1024, 197180), (1280, 157744), (2048, 98590), (2560, 78872), (4096, 49295), (5120, 39436), (9859, 20480), (10240, 19718)]