20138405680

素因数分解:

$2^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{367}}^1\times {\mathrm{2341}}^1$

素因数の和:3014

約数の個数: 80

約数和(自身を含む): 47129733504

約数和(自身を除く): 26991327824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 293, 367, 586, 734, 1172, 1465, 1468, 1835, 2341, 2344, 2930, 2936, 3670, 4682, 4688, 5860, 5872, 7340, 9364, 11705, 11720, 14680, 18728, 23410, 23440, 29360, 37456, 46820, 93640, 107531, 187280, 215062, 430124, 537655, 685913, 859147, 860248, 1075310, 1371826, 1718294, 1720496, 2150620, 2743652, 3429565, 3436588, 4295735, 4301240, 5487304, 6859130, 6873176, 8591470, 8602480, 10974608, 13718260, 13746352, 17182940, 27436520, 34365880, 54873040, 68731760, 251730071, 503460142, 1006920284, 1258650355, 2013840568, 2517300710, 4027681136, 5034601420, 10069202840, 20138405680]

約数ペア:

[(1, 20138405680), (2, 10069202840), (4, 5034601420), (5, 4027681136), (8, 2517300710), (10, 2013840568), (16, 1258650355), (20, 1006920284), (40, 503460142), (80, 251730071), (293, 68731760), (367, 54873040), (586, 34365880), (734, 27436520), (1172, 17182940), (1465, 13746352), (1468, 13718260), (1835, 10974608), (2341, 8602480), (2344, 8591470), (2930, 6873176), (2936, 6859130), (3670, 5487304), (4682, 4301240), (4688, 4295735), (5860, 3436588), (5872, 3429565), (7340, 2743652), (9364, 2150620), (11705, 1720496), (11720, 1718294), (14680, 1371826), (18728, 1075310), (23410, 860248), (23440, 859147), (29360, 685913), (37456, 537655), (46820, 430124), (93640, 215062), (107531, 187280)]