2015840

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 4889808

約数和(自身を除く): 2873968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 293, 344, 430, 586, 688, 860, 1172, 1376, 1465, 1720, 2344, 2930, 3440, 4688, 5860, 6880, 9376, 11720, 12599, 23440, 25198, 46880, 50396, 62995, 100792, 125990, 201584, 251980, 403168, 503960, 1007920, 2015840]

約数ペア:

[(1, 2015840), (2, 1007920), (4, 503960), (5, 403168), (8, 251980), (10, 201584), (16, 125990), (20, 100792), (32, 62995), (40, 50396), (43, 46880), (80, 25198), (86, 23440), (160, 12599), (172, 11720), (215, 9376), (293, 6880), (344, 5860), (430, 4688), (586, 3440), (688, 2930), (860, 2344), (1172, 1720), (1376, 1465)]