2439640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{8713}}^1$

素因数の和:8731

約数の個数: 32

約数和(自身を含む): 6274080

約数和(自身を除く): 3834440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 8713, 17426, 34852, 43565, 60991, 69704, 87130, 121982, 174260, 243964, 304955, 348520, 487928, 609910, 1219820, 2439640]

約数ペア:

[(1, 2439640), (2, 1219820), (4, 609910), (5, 487928), (7, 348520), (8, 304955), (10, 243964), (14, 174260), (20, 121982), (28, 87130), (35, 69704), (40, 60991), (56, 43565), (70, 34852), (140, 17426), (280, 8713)]