40385775

素因数分解:

$3^1\times 5^2\times {\mathrm{271}}^1\times {\mathrm{1987}}^1$

素因数の和:2271

約数の個数: 24

約数和(自身を含む): 67051264

約数和(自身を除く): 26665489

約数列:

[1, 3, 5, 15, 25, 75, 271, 813, 1355, 1987, 4065, 5961, 6775, 9935, 20325, 29805, 49675, 149025, 538477, 1615431, 2692385, 8077155, 13461925, 40385775]

約数ペア:

[(1, 40385775), (3, 13461925), (5, 8077155), (15, 2692385), (25, 1615431), (75, 538477), (271, 149025), (813, 49675), (1355, 29805), (1987, 20325), (4065, 9935), (5961, 6775)]