28798880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16363}}^1$

素因数の和:16389

約数の個数: 48

約数和(自身を含む): 74227104

約数和(自身を除く): 45428224

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, 16363, 32726, 65452, 81815, 130904, 163630, 179993, 261808, 327260, 359986, 523616, 654520, 719972, 899965, 1309040, 1439944, 1799930, 2618080, 2879888, 3599860, 5759776, 7199720, 14399440, 28798880]

約数ペア:

[(1, 28798880), (2, 14399440), (4, 7199720), (5, 5759776), (8, 3599860), (10, 2879888), (11, 2618080), (16, 1799930), (20, 1439944), (22, 1309040), (32, 899965), (40, 719972), (44, 654520), (55, 523616), (80, 359986), (88, 327260), (110, 261808), (160, 179993), (176, 163630), (220, 130904), (352, 81815), (440, 65452), (880, 32726), (1760, 16363)]