4404920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 10977120

約数和(自身を除く): 6572200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 197, 215, 260, 344, 394, 430, 520, 559, 788, 860, 985, 1118, 1576, 1720, 1970, 2236, 2561, 2795, 3940, 4472, 5122, 5590, 7880, 8471, 10244, 11180, 12805, 16942, 20488, 22360, 25610, 33884, 42355, 51220, 67768, 84710, 102440, 110123, 169420, 220246, 338840, 440492, 550615, 880984, 1101230, 2202460, 4404920]

約数ペア:

[(1, 4404920), (2, 2202460), (4, 1101230), (5, 880984), (8, 550615), (10, 440492), (13, 338840), (20, 220246), (26, 169420), (40, 110123), (43, 102440), (52, 84710), (65, 67768), (86, 51220), (104, 42355), (130, 33884), (172, 25610), (197, 22360), (215, 20488), (260, 16942), (344, 12805), (394, 11180), (430, 10244), (520, 8471), (559, 7880), (788, 5590), (860, 5122), (985, 4472), (1118, 3940), (1576, 2795), (1720, 2561), (1970, 2236)]