40380256

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2539}}^1$

素因数の和:2627

約数の個数: 48

約数和(自身を含む): 92171520

約数和(自身を除く): 51791264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1988, 2272, 2539, 3976, 5078, 7952, 10156, 15904, 17773, 20312, 35546, 40624, 71092, 81248, 142184, 180269, 284368, 360538, 568736, 721076, 1261883, 1442152, 2523766, 2884304, 5047532, 5768608, 10095064, 20190128, 40380256]

約数ペア:

[(1, 40380256), (2, 20190128), (4, 10095064), (7, 5768608), (8, 5047532), (14, 2884304), (16, 2523766), (28, 1442152), (32, 1261883), (56, 721076), (71, 568736), (112, 360538), (142, 284368), (224, 180269), (284, 142184), (497, 81248), (568, 71092), (994, 40624), (1136, 35546), (1988, 20312), (2272, 17773), (2539, 15904), (3976, 10156), (5078, 7952)]