80820700

素因数分解:

$2^2\times 5^2\times {\mathrm{557}}^1\times {\mathrm{1451}}^1$

素因数の和:2022

約数の個数: 36

約数和(自身を含む): 175816872

約数和(自身を除く): 94996172

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 557, 1114, 1451, 2228, 2785, 2902, 5570, 5804, 7255, 11140, 13925, 14510, 27850, 29020, 36275, 55700, 72550, 145100, 808207, 1616414, 3232828, 4041035, 8082070, 16164140, 20205175, 40410350, 80820700]

約数ペア:

[(1, 80820700), (2, 40410350), (4, 20205175), (5, 16164140), (10, 8082070), (20, 4041035), (25, 3232828), (50, 1616414), (100, 808207), (557, 145100), (1114, 72550), (1451, 55700), (2228, 36275), (2785, 29020), (2902, 27850), (5570, 14510), (5804, 13925), (7255, 11140)]