28207720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{24317}}^1$

素因数の和:24357

約数の個数: 32

約数和(自身を含む): 65658600

約数和(自身を除く): 37450880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 24317, 48634, 97268, 121585, 194536, 243170, 486340, 705193, 972680, 1410386, 2820772, 3525965, 5641544, 7051930, 14103860, 28207720]

約数ペア:

[(1, 28207720), (2, 14103860), (4, 7051930), (5, 5641544), (8, 3525965), (10, 2820772), (20, 1410386), (29, 972680), (40, 705193), (58, 486340), (116, 243170), (145, 194536), (232, 121585), (290, 97268), (580, 48634), (1160, 24317)]