28318880

素因数分解:

$2^5\times 5^1\times {\mathrm{379}}^1\times {\mathrm{467}}^1$

素因数の和:861

約数の個数: 48

約数和(自身を含む): 67223520

約数和(自身を除く): 38904640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 379, 467, 758, 934, 1516, 1868, 1895, 2335, 3032, 3736, 3790, 4670, 6064, 7472, 7580, 9340, 12128, 14944, 15160, 18680, 30320, 37360, 60640, 74720, 176993, 353986, 707972, 884965, 1415944, 1769930, 2831888, 3539860, 5663776, 7079720, 14159440, 28318880]

約数ペア:

[(1, 28318880), (2, 14159440), (4, 7079720), (5, 5663776), (8, 3539860), (10, 2831888), (16, 1769930), (20, 1415944), (32, 884965), (40, 707972), (80, 353986), (160, 176993), (379, 74720), (467, 60640), (758, 37360), (934, 30320), (1516, 18680), (1868, 15160), (1895, 14944), (2335, 12128), (3032, 9340), (3736, 7580), (3790, 7472), (4670, 6064)]