87212180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{1123}}^1$

素因数の和:1496

約数の個数: 48

約数和(自身を含む): 200539584

約数和(自身を除く): 113327404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 353, 706, 1123, 1412, 1765, 2246, 3530, 3883, 4492, 5615, 7060, 7766, 11230, 12353, 15532, 19415, 22460, 24706, 38830, 49412, 61765, 77660, 123530, 247060, 396419, 792838, 1585676, 1982095, 3964190, 4360609, 7928380, 8721218, 17442436, 21803045, 43606090, 87212180]

約数ペア:

[(1, 87212180), (2, 43606090), (4, 21803045), (5, 17442436), (10, 8721218), (11, 7928380), (20, 4360609), (22, 3964190), (44, 1982095), (55, 1585676), (110, 792838), (220, 396419), (353, 247060), (706, 123530), (1123, 77660), (1412, 61765), (1765, 49412), (2246, 38830), (3530, 24706), (3883, 22460), (4492, 19415), (5615, 15532), (7060, 12353), (7766, 11230)]