87910580

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{27997}}^1$

素因数の和:28163

約数の個数: 24

約数和(自身を含む): 185794728

約数和(自身を除く): 97884148

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 27997, 55994, 111988, 139985, 279970, 559940, 4395529, 8791058, 17582116, 21977645, 43955290, 87910580]

約数ペア:

[(1, 87910580), (2, 43955290), (4, 21977645), (5, 17582116), (10, 8791058), (20, 4395529), (157, 559940), (314, 279970), (628, 139985), (785, 111988), (1570, 55994), (3140, 27997)]