31081120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{27751}}^1$

素因数の和:27773

約数の個数: 48

約数和(自身を含む): 83922048

約数和(自身を除く): 52840928

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, 27751, 55502, 111004, 138755, 194257, 222008, 277510, 388514, 444016, 555020, 777028, 888032, 971285, 1110040, 1554056, 1942570, 2220080, 3108112, 3885140, 4440160, 6216224, 7770280, 15540560, 31081120]

約数ペア:

[(1, 31081120), (2, 15540560), (4, 7770280), (5, 6216224), (7, 4440160), (8, 3885140), (10, 3108112), (14, 2220080), (16, 1942570), (20, 1554056), (28, 1110040), (32, 971285), (35, 888032), (40, 777028), (56, 555020), (70, 444016), (80, 388514), (112, 277510), (140, 222008), (160, 194257), (224, 138755), (280, 111004), (560, 55502), (1120, 27751)]