5125280

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 12265344

約数和(自身を除く): 7140064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 311, 412, 515, 622, 824, 1030, 1244, 1555, 1648, 2060, 2488, 3110, 3296, 4120, 4976, 6220, 8240, 9952, 12440, 16480, 24880, 32033, 49760, 64066, 128132, 160165, 256264, 320330, 512528, 640660, 1025056, 1281320, 2562640, 5125280]

約数ペア:

[(1, 5125280), (2, 2562640), (4, 1281320), (5, 1025056), (8, 640660), (10, 512528), (16, 320330), (20, 256264), (32, 160165), (40, 128132), (80, 64066), (103, 49760), (160, 32033), (206, 24880), (311, 16480), (412, 12440), (515, 9952), (622, 8240), (824, 6220), (1030, 4976), (1244, 4120), (1555, 3296), (1648, 3110), (2060, 2488)]