258092020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{8111}}^1$

素因数の和:8200

約数の個数: 48

約数和(自身を含む): 569657088

約数和(自身を除く): 311565068

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 1591, 3182, 6364, 7955, 8111, 15910, 16222, 31820, 32444, 40555, 81110, 162220, 300107, 348773, 600214, 697546, 1200428, 1395092, 1500535, 1743865, 3001070, 3487730, 6002140, 6975460, 12904601, 25809202, 51618404, 64523005, 129046010, 258092020]

約数ペア:

[(1, 258092020), (2, 129046010), (4, 64523005), (5, 51618404), (10, 25809202), (20, 12904601), (37, 6975460), (43, 6002140), (74, 3487730), (86, 3001070), (148, 1743865), (172, 1500535), (185, 1395092), (215, 1200428), (370, 697546), (430, 600214), (740, 348773), (860, 300107), (1591, 162220), (3182, 81110), (6364, 40555), (7955, 32444), (8111, 31820), (15910, 16222)]