40075408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{547}}^1$

素因数の和:815

約数の個数: 40

約数和(自身を含む): 82221920

約数和(自身を除く): 42146512

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 241, 304, 482, 547, 964, 1094, 1928, 2188, 3856, 4376, 4579, 8752, 9158, 10393, 18316, 20786, 36632, 41572, 73264, 83144, 131827, 166288, 263654, 527308, 1054616, 2109232, 2504713, 5009426, 10018852, 20037704, 40075408]

約数ペア:

[(1, 40075408), (2, 20037704), (4, 10018852), (8, 5009426), (16, 2504713), (19, 2109232), (38, 1054616), (76, 527308), (152, 263654), (241, 166288), (304, 131827), (482, 83144), (547, 73264), (964, 41572), (1094, 36632), (1928, 20786), (2188, 18316), (3856, 10393), (4376, 9158), (4579, 8752)]