71897120

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2281}}^1$

素因数の和:2493

約数の個数: 48

約数和(自身を含む): 170794008

約数和(自身を除く): 98896888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1970, 2281, 3152, 3940, 4562, 6304, 7880, 9124, 11405, 15760, 18248, 22810, 31520, 36496, 45620, 72992, 91240, 182480, 364960, 449357, 898714, 1797428, 2246785, 3594856, 4493570, 7189712, 8987140, 14379424, 17974280, 35948560, 71897120]

約数ペア:

[(1, 71897120), (2, 35948560), (4, 17974280), (5, 14379424), (8, 8987140), (10, 7189712), (16, 4493570), (20, 3594856), (32, 2246785), (40, 1797428), (80, 898714), (160, 449357), (197, 364960), (394, 182480), (788, 91240), (985, 72992), (1576, 45620), (1970, 36496), (2281, 31520), (3152, 22810), (3940, 18248), (4562, 15760), (6304, 11405), (7880, 9124)]