28174960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 72397152

約数和(自身を除く): 44222192

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 176, 202, 220, 317, 404, 440, 505, 634, 808, 880, 1010, 1111, 1268, 1585, 1616, 2020, 2222, 2536, 3170, 3487, 4040, 4444, 5072, 5555, 6340, 6974, 8080, 8888, 11110, 12680, 13948, 17435, 17776, 22220, 25360, 27896, 32017, 34870, 44440, 55792, 64034, 69740, 88880, 128068, 139480, 160085, 256136, 278960, 320170, 352187, 512272, 640340, 704374, 1280680, 1408748, 1760935, 2561360, 2817496, 3521870, 5634992, 7043740, 14087480, 28174960]

約数ペア:

[(1, 28174960), (2, 14087480), (4, 7043740), (5, 5634992), (8, 3521870), (10, 2817496), (11, 2561360), (16, 1760935), (20, 1408748), (22, 1280680), (40, 704374), (44, 640340), (55, 512272), (80, 352187), (88, 320170), (101, 278960), (110, 256136), (176, 160085), (202, 139480), (220, 128068), (317, 88880), (404, 69740), (440, 64034), (505, 55792), (634, 44440), (808, 34870), (880, 32017), (1010, 27896), (1111, 25360), (1268, 22220), (1585, 17776), (1616, 17435), (2020, 13948), (2222, 12680), (2536, 11110), (3170, 8888), (3487, 8080), (4040, 6974), (4444, 6340), (5072, 5555)]