40388320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{36061}}^1$

素因数の和:36083

約数の個数: 48

約数和(自身を含む): 109051488

約数和(自身を除く): 68663168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 36061, 72122, 144244, 180305, 252427, 288488, 360610, 504854, 576976, 721220, 1009708, 1153952, 1262135, 1442440, 2019416, 2524270, 2884880, 4038832, 5048540, 5769760, 8077664, 10097080, 20194160, 40388320]

約数ペア:

[(1, 40388320), (2, 20194160), (4, 10097080), (5, 8077664), (7, 5769760), (8, 5048540), (10, 4038832), (14, 2884880), (16, 2524270), (20, 2019416), (28, 1442440), (32, 1262135), (35, 1153952), (40, 1009708), (56, 721220), (70, 576976), (80, 504854), (112, 360610), (140, 288488), (160, 252427), (224, 180305), (280, 144244), (560, 72122), (1120, 36061)]