8145380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23957}}^1$

素因数の和:23983

約数の個数: 24

約数和(自身を含む): 18112248

約数和(自身を除く): 9966868

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 23957, 47914, 95828, 119785, 239570, 407269, 479140, 814538, 1629076, 2036345, 4072690, 8145380]

約数ペア:

[(1, 8145380), (2, 4072690), (4, 2036345), (5, 1629076), (10, 814538), (17, 479140), (20, 407269), (34, 239570), (68, 119785), (85, 95828), (170, 47914), (340, 23957)]