28218080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16033}}^1$

素因数の和:16059

約数の個数: 48

約数和(自身を含む): 72730224

約数和(自身を除く): 44512144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 16033, 32066, 64132, 80165, 128264, 160330, 176363, 256528, 320660, 352726, 513056, 641320, 705452, 881815, 1282640, 1410904, 1763630, 2565280, 2821808, 3527260, 5643616, 7054520, 14109040, 28218080]

約数ペア:

[(1, 28218080), (2, 14109040), (4, 7054520), (5, 5643616), (8, 3527260), (10, 2821808), (11, 2565280), (16, 1763630), (20, 1410904), (22, 1282640), (32, 881815), (40, 705452), (44, 641320), (55, 513056), (80, 352726), (88, 320660), (110, 256528), (160, 176363), (176, 160330), (220, 128264), (352, 80165), (440, 64132), (880, 32066), (1760, 16033)]