5115280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1487}}^1$

素因数の和:1543

約数の個数: 40

約数和(自身を含む): 12177792

約数和(自身を除く): 7062512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1487, 1720, 2974, 3440, 5948, 7435, 11896, 14870, 23792, 29740, 59480, 63941, 118960, 127882, 255764, 319705, 511528, 639410, 1023056, 1278820, 2557640, 5115280]

約数ペア:

[(1, 5115280), (2, 2557640), (4, 1278820), (5, 1023056), (8, 639410), (10, 511528), (16, 319705), (20, 255764), (40, 127882), (43, 118960), (80, 63941), (86, 59480), (172, 29740), (215, 23792), (344, 14870), (430, 11896), (688, 7435), (860, 5948), (1487, 3440), (1720, 2974)]