18821001280

素因数分解:

$2^6\times 5^1\times {\mathrm{58815629}}^1$

素因数の和:58815646

約数の個数: 28

約数和(自身を含む): 44817510060

約数和(自身を除く): 25996508780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 58815629, 117631258, 235262516, 294078145, 470525032, 588156290, 941050064, 1176312580, 1882100128, 2352625160, 3764200256, 4705250320, 9410500640, 18821001280]

約数ペア:

[(1, 18821001280), (2, 9410500640), (4, 4705250320), (5, 3764200256), (8, 2352625160), (10, 1882100128), (16, 1176312580), (20, 941050064), (32, 588156290), (40, 470525032), (64, 294078145), (80, 235262516), (160, 117631258), (320, 58815629)]