16125775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 22297680

約数和(自身を除く): 6171905

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 1997, 8075, 9985, 33949, 37943, 49925, 169745, 189715, 645031, 848725, 948575, 3225155, 16125775]

約数ペア:

[(1, 16125775), (5, 3225155), (17, 948575), (19, 848725), (25, 645031), (85, 189715), (95, 169745), (323, 49925), (425, 37943), (475, 33949), (1615, 9985), (1997, 8075)]