40235440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71849}}^1$

素因数の和:71869

約数の個数: 40

約数和(自身を含む): 106912800

約数和(自身を除く): 66677360

約数列:

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

約数ペア:

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