12547240

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4297}}^1$

素因数の和:4381

約数の個数: 32

約数和(自身を含む): 28624680

約数和(自身を除く): 16077440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 4297, 8594, 17188, 21485, 34376, 42970, 85940, 171880, 313681, 627362, 1254724, 1568405, 2509448, 3136810, 6273620, 12547240]

約数ペア:

[(1, 12547240), (2, 6273620), (4, 3136810), (5, 2509448), (8, 1568405), (10, 1254724), (20, 627362), (40, 313681), (73, 171880), (146, 85940), (292, 42970), (365, 34376), (584, 21485), (730, 17188), (1460, 8594), (2920, 4297)]