2005496380

素因数分解:

$2^2\times 5^1\times {\mathrm{4243}}^1\times {\mathrm{23633}}^1$

素因数の和:27885

約数の個数: 24

約数和(自身を含む): 4212713232

約数和(自身を除く): 2207216852

約数列:

[1, 2, 4, 5, 10, 20, 4243, 8486, 16972, 21215, 23633, 42430, 47266, 84860, 94532, 118165, 236330, 472660, 100274819, 200549638, 401099276, 501374095, 1002748190, 2005496380]

約数ペア:

[(1, 2005496380), (2, 1002748190), (4, 501374095), (5, 401099276), (10, 200549638), (20, 100274819), (4243, 472660), (8486, 236330), (16972, 118165), (21215, 94532), (23633, 84860), (42430, 47266)]