15380491340

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1917767}}^1$

素因数の和:1918177

約数の個数: 24

約数和(自身を含む): 32379594912

約数和(自身を除く): 16999103572

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 1917767, 3835534, 7671068, 9588835, 19177670, 38355340, 769024567, 1538049134, 3076098268, 3845122835, 7690245670, 15380491340]

約数ペア:

[(1, 15380491340), (2, 7690245670), (4, 3845122835), (5, 3076098268), (10, 1538049134), (20, 769024567), (401, 38355340), (802, 19177670), (1604, 9588835), (2005, 7671068), (4010, 3835534), (8020, 1917767)]