28546160

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1493}}^1$

素因数の和:1745

約数の個数: 40

約数和(自身を含む): 66692160

約数和(自身を除く): 38146000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1493, 1912, 2390, 2986, 3824, 4780, 5972, 7465, 9560, 11944, 14930, 19120, 23888, 29860, 59720, 119440, 356827, 713654, 1427308, 1784135, 2854616, 3568270, 5709232, 7136540, 14273080, 28546160]

約数ペア:

[(1, 28546160), (2, 14273080), (4, 7136540), (5, 5709232), (8, 3568270), (10, 2854616), (16, 1784135), (20, 1427308), (40, 713654), (80, 356827), (239, 119440), (478, 59720), (956, 29860), (1195, 23888), (1493, 19120), (1912, 14930), (2390, 11944), (2986, 9560), (3824, 7465), (4780, 5972)]