1566394220

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{195311}}^1$

素因数の和:195721

約数の個数: 24

約数和(自身を含む): 3297647808

約数和(自身を除く): 1731253588

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 195311, 390622, 781244, 976555, 1953110, 3906220, 78319711, 156639422, 313278844, 391598555, 783197110, 1566394220]

約数ペア:

[(1, 1566394220), (2, 783197110), (4, 391598555), (5, 313278844), (10, 156639422), (20, 78319711), (401, 3906220), (802, 1953110), (1604, 976555), (2005, 781244), (4010, 390622), (8020, 195311)]