80470880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71849}}^1$

素因数の和:71871

約数の個数: 48

約数和(自身を含む): 217274400

約数和(自身を除く): 136803520

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, 71849, 143698, 287396, 359245, 502943, 574792, 718490, 1005886, 1149584, 1436980, 2011772, 2299168, 2514715, 2873960, 4023544, 5029430, 5747920, 8047088, 10058860, 11495840, 16094176, 20117720, 40235440, 80470880]

約数ペア:

[(1, 80470880), (2, 40235440), (4, 20117720), (5, 16094176), (7, 11495840), (8, 10058860), (10, 8047088), (14, 5747920), (16, 5029430), (20, 4023544), (28, 2873960), (32, 2514715), (35, 2299168), (40, 2011772), (56, 1436980), (70, 1149584), (80, 1005886), (112, 718490), (140, 574792), (160, 502943), (224, 359245), (280, 287396), (560, 143698), (1120, 71849)]