31118440

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{10657}}^1$

素因数の和:10741

約数の個数: 32

約数和(自身を含む): 70982280

約数和(自身を除く): 39863840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 10657, 21314, 42628, 53285, 85256, 106570, 213140, 426280, 777961, 1555922, 3111844, 3889805, 6223688, 7779610, 15559220, 31118440]

約数ペア:

[(1, 31118440), (2, 15559220), (4, 7779610), (5, 6223688), (8, 3889805), (10, 3111844), (20, 1555922), (40, 777961), (73, 426280), (146, 213140), (292, 106570), (365, 85256), (584, 53285), (730, 42628), (1460, 21314), (2920, 10657)]