329781560

素因数分解:

$2^3\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{8171}}^1$

素因数の和:9191

約数の個数: 32

約数和(自身を含む): 742834800

約数和(自身を除く): 413053240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009, 2018, 4036, 5045, 8072, 8171, 10090, 16342, 20180, 32684, 40360, 40855, 65368, 81710, 163420, 326840, 8244539, 16489078, 32978156, 41222695, 65956312, 82445390, 164890780, 329781560]

約数ペア:

[(1, 329781560), (2, 164890780), (4, 82445390), (5, 65956312), (8, 41222695), (10, 32978156), (20, 16489078), (40, 8244539), (1009, 326840), (2018, 163420), (4036, 81710), (5045, 65368), (8072, 40855), (8171, 40360), (10090, 32684), (16342, 20180)]