127958140

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{40751}}^1$

素因数の和:40917

約数の個数: 24

約数和(自身を含む): 270430272

約数和(自身を除く): 142472132

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 40751, 81502, 163004, 203755, 407510, 815020, 6397907, 12795814, 25591628, 31989535, 63979070, 127958140]

約数ペア:

[(1, 127958140), (2, 63979070), (4, 31989535), (5, 25591628), (10, 12795814), (20, 6397907), (157, 815020), (314, 407510), (628, 203755), (785, 163004), (1570, 81502), (3140, 40751)]