13803080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5657}}^1$

素因数の和:5729

約数の個数: 32

約数和(自身を含む): 31571640

約数和(自身を除く): 17768560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 5657, 11314, 22628, 28285, 45256, 56570, 113140, 226280, 345077, 690154, 1380308, 1725385, 2760616, 3450770, 6901540, 13803080]

約数ペア:

[(1, 13803080), (2, 6901540), (4, 3450770), (5, 2760616), (8, 1725385), (10, 1380308), (20, 690154), (40, 345077), (61, 226280), (122, 113140), (244, 56570), (305, 45256), (488, 28285), (610, 22628), (1220, 11314), (2440, 5657)]