1645832020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11755943}}^1$

素因数の和:11755959

約数の個数: 24

約数和(自身を含む): 3949997184

約数和(自身を除く): 2304165164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11755943, 23511886, 47023772, 58779715, 82291601, 117559430, 164583202, 235118860, 329166404, 411458005, 822916010, 1645832020]

約数ペア:

[(1, 1645832020), (2, 822916010), (4, 411458005), (5, 329166404), (7, 235118860), (10, 164583202), (14, 117559430), (20, 82291601), (28, 58779715), (35, 47023772), (70, 23511886), (140, 11755943)]