2101480

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 4782240

約数和(自身を除く): 2680760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 491, 535, 856, 982, 1070, 1964, 2140, 2455, 3928, 4280, 4910, 9820, 19640, 52537, 105074, 210148, 262685, 420296, 525370, 1050740, 2101480]

約数ペア:

[(1, 2101480), (2, 1050740), (4, 525370), (5, 420296), (8, 262685), (10, 210148), (20, 105074), (40, 52537), (107, 19640), (214, 9820), (428, 4910), (491, 4280), (535, 3928), (856, 2455), (982, 2140), (1070, 1964)]