28540514000

素因数分解:

$2^4\times 5^3\times {\mathrm{701}}^1\times {\mathrm{20357}}^1$

素因数の和:21081

約数の個数: 80

約数和(自身を含む): 69112804176

約数和(自身を除く): 40572290176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 701, 1000, 1402, 2000, 2804, 3505, 5608, 7010, 11216, 14020, 17525, 20357, 28040, 35050, 40714, 56080, 70100, 81428, 87625, 101785, 140200, 162856, 175250, 203570, 280400, 325712, 350500, 407140, 508925, 701000, 814280, 1017850, 1402000, 1628560, 2035700, 2544625, 4071400, 5089250, 8142800, 10178500, 14270257, 20357000, 28540514, 40714000, 57081028, 71351285, 114162056, 142702570, 228324112, 285405140, 356756425, 570810280, 713512850, 1141620560, 1427025700, 1783782125, 2854051400, 3567564250, 5708102800, 7135128500, 14270257000, 28540514000]

約数ペア:

[(1, 28540514000), (2, 14270257000), (4, 7135128500), (5, 5708102800), (8, 3567564250), (10, 2854051400), (16, 1783782125), (20, 1427025700), (25, 1141620560), (40, 713512850), (50, 570810280), (80, 356756425), (100, 285405140), (125, 228324112), (200, 142702570), (250, 114162056), (400, 71351285), (500, 57081028), (701, 40714000), (1000, 28540514), (1402, 20357000), (2000, 14270257), (2804, 10178500), (3505, 8142800), (5608, 5089250), (7010, 4071400), (11216, 2544625), (14020, 2035700), (17525, 1628560), (20357, 1402000), (28040, 1017850), (35050, 814280), (40714, 701000), (56080, 508925), (70100, 407140), (81428, 350500), (87625, 325712), (101785, 280400), (140200, 203570), (162856, 175250)]