81049625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:962

約数の個数: 32

約数和(自身を含む): 109714176

約数和(自身を除く): 28664551

約数列:

[1, 5, 17, 25, 43, 85, 125, 215, 425, 731, 887, 1075, 2125, 3655, 4435, 5375, 15079, 18275, 22175, 38141, 75395, 91375, 110875, 190705, 376975, 648397, 953525, 1884875, 3241985, 4767625, 16209925, 81049625]

約数ペア:

[(1, 81049625), (5, 16209925), (17, 4767625), (25, 3241985), (43, 1884875), (85, 953525), (125, 648397), (215, 376975), (425, 190705), (731, 110875), (887, 91375), (1075, 75395), (2125, 38141), (3655, 22175), (4435, 18275), (5375, 15079)]