22860520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13291}}^1$

素因数の和:13345

約数の個数: 32

約数和(自身を含む): 52636320

約数和(自身を除く): 29775800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 13291, 26582, 53164, 66455, 106328, 132910, 265820, 531640, 571513, 1143026, 2286052, 2857565, 4572104, 5715130, 11430260, 22860520]

約数ペア:

[(1, 22860520), (2, 11430260), (4, 5715130), (5, 4572104), (8, 2857565), (10, 2286052), (20, 1143026), (40, 571513), (43, 531640), (86, 265820), (172, 132910), (215, 106328), (344, 66455), (430, 53164), (860, 26582), (1720, 13291)]