16563340

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6521}}^1$

素因数の和:6657

約数の個数: 24

約数和(自身を含む): 35062272

約数和(自身を除く): 18498932

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 6521, 13042, 26084, 32605, 65210, 130420, 828167, 1656334, 3312668, 4140835, 8281670, 16563340]

約数ペア:

[(1, 16563340), (2, 8281670), (4, 4140835), (5, 3312668), (10, 1656334), (20, 828167), (127, 130420), (254, 65210), (508, 32605), (635, 26084), (1270, 13042), (2540, 6521)]