9900320

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1439}}^1$

素因数の和:1497

約数の個数: 48

約数和(自身を含む): 23950080

約数和(自身を除く): 14049760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1439, 1720, 2878, 3440, 5756, 6880, 7195, 11512, 14390, 23024, 28780, 46048, 57560, 61877, 115120, 123754, 230240, 247508, 309385, 495016, 618770, 990032, 1237540, 1980064, 2475080, 4950160, 9900320]

約数ペア:

[(1, 9900320), (2, 4950160), (4, 2475080), (5, 1980064), (8, 1237540), (10, 990032), (16, 618770), (20, 495016), (32, 309385), (40, 247508), (43, 230240), (80, 123754), (86, 115120), (160, 61877), (172, 57560), (215, 46048), (344, 28780), (430, 23024), (688, 14390), (860, 11512), (1376, 7195), (1439, 6880), (1720, 5756), (2878, 3440)]