15661094780

素因数分解:

$2^2\times 5^1\times {\mathrm{3559}}^1\times {\mathrm{220021}}^1$

素因数の和:223589

約数の個数: 24

約数和(自身を含む): 32897689440

約数和(自身を除く): 17236594660

約数列:

[1, 2, 4, 5, 10, 20, 3559, 7118, 14236, 17795, 35590, 71180, 220021, 440042, 880084, 1100105, 2200210, 4400420, 783054739, 1566109478, 3132218956, 3915273695, 7830547390, 15661094780]

約数ペア:

[(1, 15661094780), (2, 7830547390), (4, 3915273695), (5, 3132218956), (10, 1566109478), (20, 783054739), (3559, 4400420), (7118, 2200210), (14236, 1100105), (17795, 880084), (35590, 440042), (71180, 220021)]