5252020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 11708928

約数和(自身を除く): 6456908

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 197, 215, 310, 394, 430, 620, 788, 860, 985, 1333, 1970, 2666, 3940, 5332, 6107, 6665, 8471, 12214, 13330, 16942, 24428, 26660, 30535, 33884, 42355, 61070, 84710, 122140, 169420, 262601, 525202, 1050404, 1313005, 2626010, 5252020]

約数ペア:

[(1, 5252020), (2, 2626010), (4, 1313005), (5, 1050404), (10, 525202), (20, 262601), (31, 169420), (43, 122140), (62, 84710), (86, 61070), (124, 42355), (155, 33884), (172, 30535), (197, 26660), (215, 24428), (310, 16942), (394, 13330), (430, 12214), (620, 8471), (788, 6665), (860, 6107), (985, 5332), (1333, 3940), (1970, 2666)]