109357520

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12541}}^1$

素因数の和:12663

約数の個数: 40

約数和(自身を含む): 256609320

約数和(自身を除く): 147251800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 12541, 25082, 50164, 62705, 100328, 125410, 200656, 250820, 501640, 1003280, 1366969, 2733938, 5467876, 6834845, 10935752, 13669690, 21871504, 27339380, 54678760, 109357520]

約数ペア:

[(1, 109357520), (2, 54678760), (4, 27339380), (5, 21871504), (8, 13669690), (10, 10935752), (16, 6834845), (20, 5467876), (40, 2733938), (80, 1366969), (109, 1003280), (218, 501640), (436, 250820), (545, 200656), (872, 125410), (1090, 100328), (1744, 62705), (2180, 50164), (4360, 25082), (8720, 12541)]