28154240

素因数分解:

$2^7\times 5^1\times {\mathrm{43991}}^1$

素因数の和:44010

約数の個数: 32

約数和(自身を含む): 67307760

約数和(自身を除く): 39153520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 43991, 87982, 175964, 219955, 351928, 439910, 703856, 879820, 1407712, 1759640, 2815424, 3519280, 5630848, 7038560, 14077120, 28154240]

約数ペア:

[(1, 28154240), (2, 14077120), (4, 7038560), (5, 5630848), (8, 3519280), (10, 2815424), (16, 1759640), (20, 1407712), (32, 879820), (40, 703856), (64, 439910), (80, 351928), (128, 219955), (160, 175964), (320, 87982), (640, 43991)]