31377080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{112061}}^1$

素因数の和:112079

約数の個数: 32

約数和(自身を含む): 80684640

約数和(自身を除く): 49307560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 112061, 224122, 448244, 560305, 784427, 896488, 1120610, 1568854, 2241220, 3137708, 3922135, 4482440, 6275416, 7844270, 15688540, 31377080]

約数ペア:

[(1, 31377080), (2, 15688540), (4, 7844270), (5, 6275416), (7, 4482440), (8, 3922135), (10, 3137708), (14, 2241220), (20, 1568854), (28, 1120610), (35, 896488), (40, 784427), (56, 560305), (70, 448244), (140, 224122), (280, 112061)]