40421075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2051

約数の個数: 24

約数和(自身を含む): 54014400

約数和(自身を除く): 13593325

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 817, 1075, 1979, 4085, 9895, 20425, 37601, 49475, 85097, 188005, 425485, 940025, 1616843, 2127425, 8084215, 40421075]

約数ペア:

[(1, 40421075), (5, 8084215), (19, 2127425), (25, 1616843), (43, 940025), (95, 425485), (215, 188005), (475, 85097), (817, 49475), (1075, 37601), (1979, 20425), (4085, 9895)]