39024680

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1987}}^1$

素因数の和:2489

約数の個数: 32

約数和(自身を含む): 88028640

約数和(自身を除く): 49003960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 1987, 2455, 3928, 3974, 4910, 7948, 9820, 9935, 15896, 19640, 19870, 39740, 79480, 975617, 1951234, 3902468, 4878085, 7804936, 9756170, 19512340, 39024680]

約数ペア:

[(1, 39024680), (2, 19512340), (4, 9756170), (5, 7804936), (8, 4878085), (10, 3902468), (20, 1951234), (40, 975617), (491, 79480), (982, 39740), (1964, 19870), (1987, 19640), (2455, 15896), (3928, 9935), (3974, 9820), (4910, 7948)]