80990050

素因数分解:

$2^1\times 5^2\times {\mathrm{1039}}^1\times {\mathrm{1559}}^1$

素因数の和:2610

約数の個数: 24

約数和(自身を含む): 150883200

約数和(自身を除く): 69893150

約数列:

[1, 2, 5, 10, 25, 50, 1039, 1559, 2078, 3118, 5195, 7795, 10390, 15590, 25975, 38975, 51950, 77950, 1619801, 3239602, 8099005, 16198010, 40495025, 80990050]

約数ペア:

[(1, 80990050), (2, 40495025), (5, 16198010), (10, 8099005), (25, 3239602), (50, 1619801), (1039, 77950), (1559, 51950), (2078, 38975), (3118, 25975), (5195, 15590), (7795, 10390)]