29781025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{887}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 39640320

約数和(自身を除く): 9859295

約数列:

[1, 5, 17, 25, 79, 85, 395, 425, 887, 1343, 1975, 4435, 6715, 15079, 22175, 33575, 70073, 75395, 350365, 376975, 1191241, 1751825, 5956205, 29781025]

約数ペア:

[(1, 29781025), (5, 5956205), (17, 1751825), (25, 1191241), (79, 376975), (85, 350365), (395, 75395), (425, 70073), (887, 33575), (1343, 22175), (1975, 15079), (4435, 6715)]