28086080

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 112

約数和(自身を含む): 74615040

約数和(自身を除く): 46528960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 79, 80, 88, 101, 110, 158, 160, 176, 202, 220, 316, 320, 352, 395, 404, 440, 505, 632, 704, 790, 808, 869, 880, 1010, 1111, 1264, 1580, 1616, 1738, 1760, 2020, 2222, 2528, 3160, 3232, 3476, 3520, 4040, 4345, 4444, 5056, 5555, 6320, 6464, 6952, 7979, 8080, 8690, 8888, 11110, 12640, 13904, 15958, 16160, 17380, 17776, 22220, 25280, 27808, 31916, 32320, 34760, 35552, 39895, 44440, 55616, 63832, 69520, 71104, 79790, 87769, 88880, 127664, 139040, 159580, 175538, 177760, 255328, 278080, 319160, 351076, 355520, 438845, 510656, 638320, 702152, 877690, 1276640, 1404304, 1755380, 2553280, 2808608, 3510760, 5617216, 7021520, 14043040, 28086080]

約数ペア:

[(1, 28086080), (2, 14043040), (4, 7021520), (5, 5617216), (8, 3510760), (10, 2808608), (11, 2553280), (16, 1755380), (20, 1404304), (22, 1276640), (32, 877690), (40, 702152), (44, 638320), (55, 510656), (64, 438845), (79, 355520), (80, 351076), (88, 319160), (101, 278080), (110, 255328), (158, 177760), (160, 175538), (176, 159580), (202, 139040), (220, 127664), (316, 88880), (320, 87769), (352, 79790), (395, 71104), (404, 69520), (440, 63832), (505, 55616), (632, 44440), (704, 39895), (790, 35552), (808, 34760), (869, 32320), (880, 31916), (1010, 27808), (1111, 25280), (1264, 22220), (1580, 17776), (1616, 17380), (1738, 16160), (1760, 15958), (2020, 13904), (2222, 12640), (2528, 11110), (3160, 8888), (3232, 8690), (3476, 8080), (3520, 7979), (4040, 6952), (4345, 6464), (4444, 6320), (5056, 5555)]