1298678180

素因数分解:

$2^2\times 5^1\times {\mathrm{1559}}^1\times {\mathrm{41651}}^1$

素因数の和:43219

約数の個数: 24

約数和(自身を含む): 2729039040

約数和(自身を除く): 1430360860

約数列:

[1, 2, 4, 5, 10, 20, 1559, 3118, 6236, 7795, 15590, 31180, 41651, 83302, 166604, 208255, 416510, 833020, 64933909, 129867818, 259735636, 324669545, 649339090, 1298678180]

約数ペア:

[(1, 1298678180), (2, 649339090), (4, 324669545), (5, 259735636), (10, 129867818), (20, 64933909), (1559, 833020), (3118, 416510), (6236, 208255), (7795, 166604), (15590, 83302), (31180, 41651)]