31374640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{353}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 80593056

約数和(自身を除く): 49218416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 176, 202, 220, 353, 404, 440, 505, 706, 808, 880, 1010, 1111, 1412, 1616, 1765, 2020, 2222, 2824, 3530, 3883, 4040, 4444, 5555, 5648, 7060, 7766, 8080, 8888, 11110, 14120, 15532, 17776, 19415, 22220, 28240, 31064, 35653, 38830, 44440, 62128, 71306, 77660, 88880, 142612, 155320, 178265, 285224, 310640, 356530, 392183, 570448, 713060, 784366, 1426120, 1568732, 1960915, 2852240, 3137464, 3921830, 6274928, 7843660, 15687320, 31374640]

約数ペア:

[(1, 31374640), (2, 15687320), (4, 7843660), (5, 6274928), (8, 3921830), (10, 3137464), (11, 2852240), (16, 1960915), (20, 1568732), (22, 1426120), (40, 784366), (44, 713060), (55, 570448), (80, 392183), (88, 356530), (101, 310640), (110, 285224), (176, 178265), (202, 155320), (220, 142612), (353, 88880), (404, 77660), (440, 71306), (505, 62128), (706, 44440), (808, 38830), (880, 35653), (1010, 31064), (1111, 28240), (1412, 22220), (1616, 19415), (1765, 17776), (2020, 15532), (2222, 14120), (2824, 11110), (3530, 8888), (3883, 8080), (4040, 7766), (4444, 7060), (5555, 5648)]