2912607640

素因数分解:

$2^3\times 5^1\times {\mathrm{72815191}}^1$

素因数の和:72815202

約数の個数: 16

約数和(自身を含む): 6553367280

約数和(自身を除く): 3640759640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 72815191, 145630382, 291260764, 364075955, 582521528, 728151910, 1456303820, 2912607640]

約数ペア:

[(1, 2912607640), (2, 1456303820), (4, 728151910), (5, 582521528), (8, 364075955), (10, 291260764), (20, 145630382), (40, 72815191)]