656061680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2083}}^1$

素因数の和:2254

約数の個数: 80

約数和(自身を含む): 1587707904

約数和(自身を除く): 931646224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 248, 254, 310, 496, 508, 620, 635, 1016, 1240, 1270, 2032, 2083, 2480, 2540, 3937, 4166, 5080, 7874, 8332, 10160, 10415, 15748, 16664, 19685, 20830, 31496, 33328, 39370, 41660, 62992, 64573, 78740, 83320, 129146, 157480, 166640, 258292, 264541, 314960, 322865, 516584, 529082, 645730, 1033168, 1058164, 1291460, 1322705, 2116328, 2582920, 2645410, 4232656, 5165840, 5290820, 8200771, 10581640, 16401542, 21163280, 32803084, 41003855, 65606168, 82007710, 131212336, 164015420, 328030840, 656061680]

約数ペア:

[(1, 656061680), (2, 328030840), (4, 164015420), (5, 131212336), (8, 82007710), (10, 65606168), (16, 41003855), (20, 32803084), (31, 21163280), (40, 16401542), (62, 10581640), (80, 8200771), (124, 5290820), (127, 5165840), (155, 4232656), (248, 2645410), (254, 2582920), (310, 2116328), (496, 1322705), (508, 1291460), (620, 1058164), (635, 1033168), (1016, 645730), (1240, 529082), (1270, 516584), (2032, 322865), (2083, 314960), (2480, 264541), (2540, 258292), (3937, 166640), (4166, 157480), (5080, 129146), (7874, 83320), (8332, 78740), (10160, 64573), (10415, 62992), (15748, 41660), (16664, 39370), (19685, 33328), (20830, 31496)]