129776800

素因数分解:

$2^5\times 5^2\times {\mathrm{162221}}^1$

素因数の和:162241

約数の個数: 36

約数和(自身を含む): 316819566

約数和(自身を除く): 187042766

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 162221, 324442, 648884, 811105, 1297768, 1622210, 2595536, 3244420, 4055525, 5191072, 6488840, 8111050, 12977680, 16222100, 25955360, 32444200, 64888400, 129776800]

約数ペア:

[(1, 129776800), (2, 64888400), (4, 32444200), (5, 25955360), (8, 16222100), (10, 12977680), (16, 8111050), (20, 6488840), (25, 5191072), (32, 4055525), (40, 3244420), (50, 2595536), (80, 1622210), (100, 1297768), (160, 811105), (200, 648884), (400, 324442), (800, 162221)]