8247380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 18579456

約数和(自身を除く): 10332076

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 127, 170, 191, 254, 340, 382, 508, 635, 764, 955, 1270, 1910, 2159, 2540, 3247, 3820, 4318, 6494, 8636, 10795, 12988, 16235, 21590, 24257, 32470, 43180, 48514, 64940, 97028, 121285, 242570, 412369, 485140, 824738, 1649476, 2061845, 4123690, 8247380]

約数ペア:

[(1, 8247380), (2, 4123690), (4, 2061845), (5, 1649476), (10, 824738), (17, 485140), (20, 412369), (34, 242570), (68, 121285), (85, 97028), (127, 64940), (170, 48514), (191, 43180), (254, 32470), (340, 24257), (382, 21590), (508, 16235), (635, 12988), (764, 10795), (955, 8636), (1270, 6494), (1910, 4318), (2159, 3820), (2540, 3247)]