28600640

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:799

約数の個数: 56

約数和(自身を含む): 68701920

約数和(自身を除く): 40101280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 643, 695, 1112, 1286, 1390, 2224, 2572, 2780, 3215, 4448, 5144, 5560, 6430, 8896, 10288, 11120, 12860, 20576, 22240, 25720, 41152, 44480, 51440, 89377, 102880, 178754, 205760, 357508, 446885, 715016, 893770, 1430032, 1787540, 2860064, 3575080, 5720128, 7150160, 14300320, 28600640]

約数ペア:

[(1, 28600640), (2, 14300320), (4, 7150160), (5, 5720128), (8, 3575080), (10, 2860064), (16, 1787540), (20, 1430032), (32, 893770), (40, 715016), (64, 446885), (80, 357508), (139, 205760), (160, 178754), (278, 102880), (320, 89377), (556, 51440), (643, 44480), (695, 41152), (1112, 25720), (1286, 22240), (1390, 20576), (2224, 12860), (2572, 11120), (2780, 10288), (3215, 8896), (4448, 6430), (5144, 5560)]