28473440

素因数分解:

$2^5\times 5^1\times {\mathrm{251}}^1\times {\mathrm{709}}^1$

素因数の和:975

約数の個数: 48

約数和(自身を含む): 67631760

約数和(自身を除く): 39158320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 251, 502, 709, 1004, 1255, 1418, 2008, 2510, 2836, 3545, 4016, 5020, 5672, 7090, 8032, 10040, 11344, 14180, 20080, 22688, 28360, 40160, 56720, 113440, 177959, 355918, 711836, 889795, 1423672, 1779590, 2847344, 3559180, 5694688, 7118360, 14236720, 28473440]

約数ペア:

[(1, 28473440), (2, 14236720), (4, 7118360), (5, 5694688), (8, 3559180), (10, 2847344), (16, 1779590), (20, 1423672), (32, 889795), (40, 711836), (80, 355918), (160, 177959), (251, 113440), (502, 56720), (709, 40160), (1004, 28360), (1255, 22688), (1418, 20080), (2008, 14180), (2510, 11344), (2836, 10040), (3545, 8032), (4016, 7090), (5020, 5672)]