27241720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{613}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 67638240

約数和(自身を除く): 40396520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 613, 808, 1010, 1111, 1226, 2020, 2222, 2452, 3065, 4040, 4444, 4904, 5555, 6130, 6743, 8888, 11110, 12260, 13486, 22220, 24520, 26972, 33715, 44440, 53944, 61913, 67430, 123826, 134860, 247652, 269720, 309565, 495304, 619130, 681043, 1238260, 1362086, 2476520, 2724172, 3405215, 5448344, 6810430, 13620860, 27241720]

約数ペア:

[(1, 27241720), (2, 13620860), (4, 6810430), (5, 5448344), (8, 3405215), (10, 2724172), (11, 2476520), (20, 1362086), (22, 1238260), (40, 681043), (44, 619130), (55, 495304), (88, 309565), (101, 269720), (110, 247652), (202, 134860), (220, 123826), (404, 67430), (440, 61913), (505, 53944), (613, 44440), (808, 33715), (1010, 26972), (1111, 24520), (1226, 22220), (2020, 13486), (2222, 12260), (2452, 11110), (3065, 8888), (4040, 6743), (4444, 6130), (4904, 5555)]