40844720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{72937}}^1$

素因数の和:72957

約数の個数: 40

約数和(自身を含む): 108531744

約数和(自身を除く): 67687024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 72937, 145874, 291748, 364685, 510559, 583496, 729370, 1021118, 1166992, 1458740, 2042236, 2552795, 2917480, 4084472, 5105590, 5834960, 8168944, 10211180, 20422360, 40844720]

約数ペア:

[(1, 40844720), (2, 20422360), (4, 10211180), (5, 8168944), (7, 5834960), (8, 5105590), (10, 4084472), (14, 2917480), (16, 2552795), (20, 2042236), (28, 1458740), (35, 1166992), (40, 1021118), (56, 729370), (70, 583496), (80, 510559), (112, 364685), (140, 291748), (280, 145874), (560, 72937)]