2079778840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1\times {\mathrm{1543}}^1$

素因数の和:2672

約数の個数: 64

約数和(自身を含む): 4838031360

約数和(自身を除く): 2758252520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1087, 1240, 1543, 2174, 3086, 4348, 5435, 6172, 7715, 8696, 10870, 12344, 15430, 21740, 30860, 33697, 43480, 47833, 61720, 67394, 95666, 134788, 168485, 191332, 239165, 269576, 336970, 382664, 478330, 673940, 956660, 1347880, 1677241, 1913320, 3354482, 6708964, 8386205, 13417928, 16772410, 33544820, 51994471, 67089640, 103988942, 207977884, 259972355, 415955768, 519944710, 1039889420, 2079778840]

約数ペア:

[(1, 2079778840), (2, 1039889420), (4, 519944710), (5, 415955768), (8, 259972355), (10, 207977884), (20, 103988942), (31, 67089640), (40, 51994471), (62, 33544820), (124, 16772410), (155, 13417928), (248, 8386205), (310, 6708964), (620, 3354482), (1087, 1913320), (1240, 1677241), (1543, 1347880), (2174, 956660), (3086, 673940), (4348, 478330), (5435, 382664), (6172, 336970), (7715, 269576), (8696, 239165), (10870, 191332), (12344, 168485), (15430, 134788), (21740, 95666), (30860, 67394), (33697, 61720), (43480, 47833)]