40078600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 100440000

約数和(自身を除く): 60361400

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 53, 76, 95, 100, 106, 152, 190, 199, 200, 212, 265, 380, 398, 424, 475, 530, 760, 796, 950, 995, 1007, 1060, 1325, 1592, 1900, 1990, 2014, 2120, 2650, 3781, 3800, 3980, 4028, 4975, 5035, 5300, 7562, 7960, 8056, 9950, 10070, 10547, 10600, 15124, 18905, 19900, 20140, 21094, 25175, 30248, 37810, 39800, 40280, 42188, 50350, 52735, 75620, 84376, 94525, 100700, 105470, 151240, 189050, 200393, 201400, 210940, 263675, 378100, 400786, 421880, 527350, 756200, 801572, 1001965, 1054700, 1603144, 2003930, 2109400, 4007860, 5009825, 8015720, 10019650, 20039300, 40078600]

約数ペア:

[(1, 40078600), (2, 20039300), (4, 10019650), (5, 8015720), (8, 5009825), (10, 4007860), (19, 2109400), (20, 2003930), (25, 1603144), (38, 1054700), (40, 1001965), (50, 801572), (53, 756200), (76, 527350), (95, 421880), (100, 400786), (106, 378100), (152, 263675), (190, 210940), (199, 201400), (200, 200393), (212, 189050), (265, 151240), (380, 105470), (398, 100700), (424, 94525), (475, 84376), (530, 75620), (760, 52735), (796, 50350), (950, 42188), (995, 40280), (1007, 39800), (1060, 37810), (1325, 30248), (1592, 25175), (1900, 21094), (1990, 20140), (2014, 19900), (2120, 18905), (2650, 15124), (3781, 10600), (3800, 10547), (3980, 10070), (4028, 9950), (4975, 8056), (5035, 7960), (5300, 7562)]